Term IRI	Term label	Parent term IRI	Parent term label	Alternative term	Definition
http://purl.obolibrary.org/obo/RO_0002234	has output	http://purl.obolibrary.org/obo/RO_0000057	has participant	produces	p has output c iff c is a participant in p, c is present at the end of p, and c is not present in the same state at the beginning of p.
http://purl.obolibrary.org/obo/RO_0000052	characteristic of	http://purl.obolibrary.org/obo/RO_0002314	characteristic of part of	inheres_in	a relation between a specifically dependent continuant (the characteristic) and any other entity (the bearer), in which the characteristic depends on the bearer for its existence.
http://purl.obolibrary.org/obo/RO_0000080	quality of	http://purl.obolibrary.org/obo/RO_0000052	characteristic of	quality_of	a relation between a quality and an independent continuant (the bearer), in which the quality specifically depends on the bearer for its existence
http://purl.obolibrary.org/obo/RO_0000086	has quality	http://purl.obolibrary.org/obo/RO_0000053	has characteristic	has_quality	a relation between an independent continuant (the bearer) and a quality, in which the quality specifically depends on the bearer for its existence
http://purl.obolibrary.org/obo/RO_0002000	2D boundary of	http://purl.obolibrary.org/obo/RO_0002323	mereotopologically related to	surface of	a relation between a 2D immaterial entity (the boundary) and a material entity, in which the boundary delimits the material entity
http://purl.obolibrary.org/obo/RO_0002002	has 2D boundary	http://purl.obolibrary.org/obo/RO_0002323	mereotopologically related to	has_2D_boundary	a relation between a material entity and a 2D immaterial entity (the boundary), in which the boundary delimits the material entity
http://purl.obolibrary.org/obo/RO_0002350	member of	http://purl.obolibrary.org/obo/BFO_0000050	part_of	member part of	is member of is a mereological relation between a item and a collection.
http://purl.obolibrary.org/obo/BFO_0000051	has_part	http://purl.obolibrary.org/obo/RO_0002131	overlaps	has_part	a core relation that holds between a whole and its part
http://purl.obolibrary.org/obo/RO_0000087	has role	http://purl.obolibrary.org/obo/RO_0000053	has characteristic	has_role	a relation between an independent continuant (the bearer) and a role, in which the role specifically depends on the bearer for its existence
http://purl.obolibrary.org/obo/RO_0002409	indirectly negatively regulates	http://purl.obolibrary.org/obo/RO_0012012	indirectly regulates	indirectly inhibits	p indirectly negatively regulates q iff p is indirectly causally upstream of q and p negatively regulates q.
http://purl.obolibrary.org/obo/RO_0002150	continuous with	http://purl.obolibrary.org/obo/RO_0002323	mereotopologically related to	connected to	X continuous_with Y if and only if X and Y share a fiat boundary.
http://purl.obolibrary.org/obo/BFO_0000062	preceded by	http://purl.obolibrary.org/obo/RO_0002086	ends after	preceded_by	x is preceded by y if and only if the time point at which y ends is before or equivalent to the time point at which x starts. Formally: x preceded by y iff ω(y) <= α(x), where α is a function that maps a process to a start point, and ω is a function that maps a process to an end point.
http://purl.obolibrary.org/obo/RO_0002156	derived by descent from	http://purl.obolibrary.org/obo/RO_0002320	evolutionarily related to	evolutionarily_descended_from	d derived_by_descent_from a if d is specified by some genetic program that is sequence-inherited-from a genetic program that specifies a.
http://purl.obolibrary.org/obo/RO_0000081	role of	http://purl.obolibrary.org/obo/RO_0000052	characteristic of	role_of	a relation between a role and an independent continuant (the bearer), in which the role specifically depends on the bearer for its existence
http://purl.obolibrary.org/obo/BFO_0000050	part_of	http://purl.obolibrary.org/obo/RO_0002131	overlaps	part_of	a core relation that holds between a part and its whole
http://purl.obolibrary.org/obo/RO_0002233	has input	http://purl.obolibrary.org/obo/RO_0000057	has participant	consumes	p has input c iff: p is a process, c is a material entity, c is a participant in p, c is present at the start of p, and the state of c is modified during p.
http://purl.obolibrary.org/obo/RO_0002314	characteristic of part of	http://purl.obolibrary.org/obo/RO_0002502	depends on	inheres in part of	q characteristic of part of w if and only if there exists some p such that q inheres in p and p part of w.
http://purl.obolibrary.org/obo/RO_0002215	capable of	http://purl.obolibrary.org/obo/RO_0002216	capable of part of	has function realized in	A relation between a material entity (such as a cell) and a process, in which the material entity has the ability to carry out the process. 
http://purl.obolibrary.org/obo/RO_0002376	tributary of	http://purl.obolibrary.org/obo/RO_0002375	in branching relationship with	tributary channel of	x tributary_of y if and only if x a channel for the flow of a substance into y, where y is larger than x. If x and y are hydrographic features, then y is the main stem of a river, or a lake or bay, but not the sea or ocean. If x and y are anatomical, then y is a vein.
http://purl.obolibrary.org/obo/RO_0002431	involved in or involved in regulation of	http://purl.obolibrary.org/obo/RO_0002500	causal agent in process	involved in or reguates	c involved in or regulates p if and only if either (i) c is involved in p or (ii) c is involved in regulation of p
http://purl.obolibrary.org/obo/RO_0002551	has skeleton	http://purl.obolibrary.org/obo/BFO_0000051	has_part	has supporting framework	A relation between a segment or subdivision of an organism and the maximal subdivision of material entities that provides structural support for that segment or subdivision.
http://purl.obolibrary.org/obo/RO_0002110	has postsynaptic terminal in	http://purl.obolibrary.org/obo/RO_0002130	has synaptic terminal in	synapsed in	Relation between a neuron and some structure (e.g.- a brain region) in which it receives (chemical) synaptic input. 
http://purl.obolibrary.org/obo/RO_0002113	has presynaptic terminal in	http://purl.obolibrary.org/obo/RO_0002130	has synaptic terminal in	synapses in	Relation between a neuron and some structure (e.g.- a brain region) in which it receives (chemical) synaptic input.
http://purl.obolibrary.org/obo/RO_0002130	has synaptic terminal in	http://purl.obolibrary.org/obo/RO_0002131	overlaps	has synapse in	A general relation between a neuron and some structure in which it either chemically synapses to some target or in which it receives (chemical) synaptic input.
http://purl.obolibrary.org/obo/RO_0002216	capable of part of	http://purl.obolibrary.org/obo/RO_0002500	causal agent in process	has function in	c stands in this relationship to p if and only if there exists some p' such that c is capable_of p', and p' is part_of p.
http://purl.obolibrary.org/obo/RO_0002329	part of structure that is capable of	http://purl.obolibrary.org/obo/RO_0002328	functionally related to	0	this relation holds between c and p when c is part of some c', and c' is capable of p.
http://purl.obolibrary.org/obo/RO_0002418	causally upstream of or within	http://purl.obolibrary.org/obo/RO_0002501	causal relation between processes	influences (processual)	p is 'causally upstream or within' q iff p is causally related to q, and the end of p precedes, or is coincident with, the end of q.
http://purl.obolibrary.org/obo/RO_0002210	directly develops into	http://purl.obolibrary.org/obo/RO_0002203	develops into	developmental precursor of	inverse of directly develops from
http://purl.obolibrary.org/obo/RO_0002224	starts with	http://purl.obolibrary.org/obo/RO_0002222	temporally related to	started by	x starts with y if and only if x has part y and the time point at which x starts is equivalent to the time point at which y starts. Formally: α(y) = α(x) ∧ ω(y) < ω(x), where α is a function that maps a process to a start point, and ω is a function that maps a process to an end point.
http://purl.obolibrary.org/obo/RO_0002230	ends with	http://purl.obolibrary.org/obo/RO_0002222	temporally related to	finished by	x ends with y if and only if x has part y and the time point at which x ends is equivalent to the time point at which y ends. Formally: α(y) > α(x) ∧ ω(y) = ω(x), where α is a function that maps a process to a start point, and ω is a function that maps a process to an end point.
http://purl.obolibrary.org/obo/RO_0002231	has start location	http://purl.obolibrary.org/obo/RO_0002479	has part that occurs in	starts with process that occurs in	x 'has starts location' y if and only if there exists some process z such that x 'starts with' z and z 'occurs in' y
http://purl.obolibrary.org/obo/RO_0002232	has end location	http://purl.obolibrary.org/obo/RO_0002479	has part that occurs in	ends with process that occurs in	x 'has end location' y if and only if there exists some process z such that x 'ends with' z and z 'occurs in' y
http://purl.obolibrary.org/obo/RO_0002256	developmentally induced by	http://purl.obolibrary.org/obo/RO_0002258	developmentally preceded by	induced by	t1 induced_by t2 if there is a process of developmental induction (GO:0031128) with t1 and t2 as interacting participants. t2 causes t1 to change its fate from a precursor material anatomical entity type T to T', where T' develops_from T
http://purl.obolibrary.org/obo/RO_0002285	developmentally replaces	http://purl.obolibrary.org/obo/RO_0002258	developmentally preceded by	replaces	x developmentally replaces y if and only if there is some developmental process that causes x to move or to cease to exist, and for the site that was occupied by x to become occupied by y, where y either comes into existence in this site or moves to this site from somewhere else
http://purl.obolibrary.org/obo/RO_0002407	indirectly positively regulates	http://purl.obolibrary.org/obo/RO_0012012	indirectly regulates	indirectly activates	p indirectly positively regulates q iff p is indirectly causally upstream of q and p positively regulates q.
http://purl.obolibrary.org/obo/RO_0002413	provides input for	http://purl.obolibrary.org/obo/RO_0002414	transitively provides input for	directly provides input for	p provides input for q iff p is immediately causally upstream of q, and there exists some c such that p has_output c and q has_input c.
http://purl.obolibrary.org/obo/RO_0004009	has primary input	http://purl.obolibrary.org/obo/RO_0002233	has input		p has primary input c if (a) p has input c and (b) the goal of process is to modify, consume, or transform c.
http://purl.obolibrary.org/obo/RO_0040036	results in changes to anatomical or cellular structure	http://purl.obolibrary.org/obo/RO_0000057	has participant		p has anatomical participant c iff p has participant c, and c is an anatomical entity
http://purl.obolibrary.org/obo/BSPO_0020001	in central side of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		X in_central_side Y <=> if Y is subdivided into left and right portions around some median divisor, all parts of X are closer to the median divisor than the outermost lateral sides.
http://purl.obolibrary.org/obo/RO_0002100	has soma location	http://purl.obolibrary.org/obo/RO_0002131	overlaps		Relation between a neuron and a material anatomical entity that its soma is part of.
http://purl.obolibrary.org/obo/RO_0002258	developmentally preceded by	http://purl.obolibrary.org/obo/RO_0002324	developmentally related to		Candidate definition: x developmentally related to y if and only if there exists some developmental process (GO:0032502) p such that x and y both participates in p, and x is the output of p and y is the input of p
http://purl.obolibrary.org/obo/RO_0002162	in taxon	http://purl.obolibrary.org/obo/RO_0002320	evolutionarily related to		x is in taxon y if an only if y is an organism, and the relationship between x and y is one of: part of (reflexive), developmentally preceded by, derives from, secreted by, expressed.
http://purl.obolibrary.org/obo/RO_0002286	developmentally succeeded by	http://purl.obolibrary.org/obo/RO_0002384	has developmental potential involving		Inverse of developmentally preceded by
http://purl.obolibrary.org/obo/RO_0002371	attached to	http://purl.obolibrary.org/obo/RO_0002177	attached to part of		a is attached to b if and only if a and b are discrete objects or object parts, and there are physical connections between a and b such that a force pulling a will move b, or a force pulling b will move a
http://purl.obolibrary.org/obo/RO_0002384	has developmental potential involving	http://purl.obolibrary.org/obo/RO_0002324	developmentally related to		x has developmental potential involving y iff x is capable of a developmental process with output y. y may be the successor of x, or may be a different structure in the vicinity (as for example in the case of developmental induction).
http://purl.obolibrary.org/obo/RO_0002388	has potential to directly develop into	http://purl.obolibrary.org/obo/RO_0002387	has potential to develop into		x has potential to directly develop into y iff x directly develops into y or x is capable of directly developing into y
http://purl.obolibrary.org/obo/BSPO_0015101	in dorsal side of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		X dorsal side of Y <=> if Y is subdivided into two dorsal and ventral portions, X is part of the dorsal portion.
http://purl.obolibrary.org/obo/BSPO_0015102	in ventral side of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		X ventral side of Y <=> if Y is subdivided into two dorsal and ventral portions, X is part of the ventral portion.
http://purl.obolibrary.org/obo/RO_0002178	supplies	http://purl.obolibrary.org/obo/RO_0002170	connected to		Relation between an arterial structure and another structure, where the arterial structure acts as a conduit channeling fluid, substance or energy.
http://purl.obolibrary.org/obo/RO_0002372	has muscle origin	http://purl.obolibrary.org/obo/RO_0002567	biomechanically related to		m has_muscle_origin s iff m is attached_to s, and it is the case that when m contracts, s does not move. The site of the origin tends to be more proximal and have greater mass than what the other end attaches to.
http://purl.obolibrary.org/obo/RO_0002374	derived from ancestral fusion of	http://purl.obolibrary.org/obo/RO_0002156	derived by descent from		x has_fused_element y iff: there exists some z : x has_part z, z homologous_to y, and y is a distinct element, the boundary between x and z is largely fiat
http://purl.obolibrary.org/obo/RO_0002380	branching part of	http://purl.obolibrary.org/obo/RO_0002375	in branching relationship with		x is a branching part of y if and only if x is part of y and x is connected directly or indirectly to the main stem of y
http://purl.obolibrary.org/obo/RO_0002568	has muscle antagonist	http://purl.obolibrary.org/obo/RO_0002567	biomechanically related to		m1 has_muscle_antagonist m2 iff m1 has_muscle_insertion s, m2 has_muscle_insection s, m1 acts in opposition to m2, and m2 is responsible for returning the structure to its initial position.
http://purl.obolibrary.org/obo/RO_0002569	has branching part	http://purl.obolibrary.org/obo/RO_0002375	in branching relationship with		inverse of branching part of
http://purl.obolibrary.org/obo/RO_0002571	lumen of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		x lumen_of y iff x is the space or substance that is part of y and does not cross any of the inner membranes or boundaries of y that is maximal with respect to the volume of the convex hull.
http://purl.obolibrary.org/obo/uberon/core#anteriorly_connected_to	anteriorly connected to	http://purl.obolibrary.org/obo/RO_0002170	connected to		x anteriorly_connected_to y iff the anterior part of x is connected to y. i.e. x connected_to y and x posterior_to y.
http://purl.obolibrary.org/obo/uberon/core#distally_connected_to	distally connected to	http://purl.obolibrary.org/obo/RO_0002170	connected to		x distally_connected_to y iff the distal part of x is connected to y. i.e. x connected_to y and x proximal_to y.
http://purl.obolibrary.org/obo/uberon/core#posteriorly_connected_to	posteriorly connected to	http://purl.obolibrary.org/obo/RO_0002170	connected to		x posteriorly_connected_to y iff the posterior part of x is connected to y. i.e. x connected_to y and x anterior_to y.
http://purl.obolibrary.org/obo/uberon/core#proximally_connected_to	proximally connected to	http://purl.obolibrary.org/obo/RO_0002170	connected to		x proximally_connected_to y iff the proximal part of x is connected to y. i.e. x connected_to y and x distal_to y.
http://purl.obolibrary.org/obo/RO_0004007	has primary input or output	http://purl.obolibrary.org/obo/RO_0000057	has participant		p 'has primary input ot output' c iff either (a) p 'has primary input' c or (b) p 'has primary output' c.
http://purl.obolibrary.org/obo/RO_0004008	has primary output	http://purl.obolibrary.org/obo/RO_0004007	has primary input or output		p has primary output c if (a) p has output c and (b) the goal of process is to modify, produce, or transform c.
http://purl.obolibrary.org/obo/BFO_0000063	precedes	http://purl.obolibrary.org/obo/RO_0002222	temporally related to		x precedes y if and only if the time point at which x ends is before or equivalent to the time point at which y starts. Formally: x precedes y iff ω(x) <= α(y), where α is a function that maps a process to a start point, and ω is a function that maps a process to an end point.
http://purl.obolibrary.org/obo/RO_0002219	surrounded by	http://purl.obolibrary.org/obo/RO_0002220	adjacent to		x surrounded_by y if and only if (1) x is adjacent to y and for every region r that is adjacent to x, r overlaps y (2) the shared boundary between x and y occupies the majority of the outermost boundary of x
http://purl.obolibrary.org/obo/RO_0002220	adjacent to	http://purl.obolibrary.org/obo/RO_0002163	spatially disjoint from		x adjacent to y if and only if x and y share a boundary.
http://purl.obolibrary.org/obo/RO_0002223	starts	http://purl.obolibrary.org/obo/BFO_0000050	part_of		inverse of starts with
http://purl.obolibrary.org/obo/RO_0002351	has member	http://purl.obolibrary.org/obo/BFO_0000051	has_part		has member is a mereological relation between a collection and an item.
http://purl.obolibrary.org/obo/RO_0019000	regulates characteristic	http://purl.obolibrary.org/obo/RO_0002410	causally related to		A relationship that holds between a process and a characteristic in which process (P) regulates characteristic (C) iff: P results in the existence of C OR affects the intensity or magnitude of C.
http://purl.obolibrary.org/obo/RO_0019001	positively regulates characteristic	http://purl.obolibrary.org/obo/RO_0019000	regulates characteristic		A relationship that holds between a process and a characteristic in which process (P) positively regulates characteristic (C) iff: P results in an increase in the intensity or magnitude of C.
http://purl.obolibrary.org/obo/RO_0019002	negatively regulates characteristic	http://purl.obolibrary.org/obo/RO_0019000	regulates characteristic		A relationship that holds between a process and a characteristic in which process (P) negatively regulates characteristic (C) iff: P results in a decrease in the intensity or magnitude of C.
http://purl.obolibrary.org/obo/RO_0002202	develops from	http://purl.obolibrary.org/obo/RO_0002254	has developmental contribution from		x develops from y if and only if either (a) x directly develops from y or (b) there exists some z such that x directly develops from z and z develops from y
http://purl.obolibrary.org/obo/RO_0002176	connects	http://purl.obolibrary.org/obo/RO_0002323	mereotopologically related to		c connects a if and only if there exist some b such that a and b are similar parts of the same system, and c connects b, specifically, c connects a with b. When one structure connects two others it unites some aspect of the function or role they play within the system.
http://purl.obolibrary.org/obo/RO_0002491	existence starts and ends during	http://purl.obolibrary.org/obo/RO_0002492	existence ends during		x exists during y if and only if: 1) the time point at which x begins to exist is after or equal to the time point at which y begins and 2) the time point at which x ceases to exist is before or equal to the point at which y ends. Formally: x existence starts and ends during y iff α(x) >= α(y) & α(x) <= ω(y) & ω(x) <= ω(y) & ω(x) >= α(y)
http://purl.obolibrary.org/obo/RO_0002404	causally downstream of	http://purl.obolibrary.org/obo/RO_0002427	causally downstream of or within		inverse of upstream of
http://purl.obolibrary.org/obo/RO_0002412	immediately causally upstream of	http://purl.obolibrary.org/obo/RO_0002411	causally upstream of		p is immediately causally upstream of q iff p is causally upstream of q, and the end of p is coincident with the beginning of q.
http://purl.obolibrary.org/obo/RO_0002490	existence overlaps	http://purl.obolibrary.org/obo/RO_0002487	relation between physical entity and a process or stage		x existence overlaps y if and only if either (a) the start of x is part of y or (b) the end of x is part of y. Formally: x existence starts and ends during y iff (α(x) >= α(y) & α(x) <= ω(y)) OR (ω(x) <= ω(y) & ω(x) >= α(y))
http://purl.obolibrary.org/obo/RO_0002252	connecting branch of	http://purl.obolibrary.org/obo/RO_0002375	in branching relationship with		b connecting-branch-of s iff b is connected to s, and there exists some tree-like structure t such that the mereological sum of b plus s is either the same as t or a branching-part-of t.
http://purl.obolibrary.org/obo/RO_0002253	has connecting branch	http://purl.obolibrary.org/obo/RO_0002375	in branching relationship with		inverse of connecting branch of
http://purl.obolibrary.org/obo/RO_0002263	acts upstream of	http://purl.obolibrary.org/obo/RO_0002264	acts upstream of or within		c acts upstream of p if and only if c enables some f that is involved in p' and p' occurs chronologically before p, is not part of p, and affects the execution of p. c is a material entity and f, p, p' are processes.
http://purl.obolibrary.org/obo/RO_0002304	causally upstream of, positive effect	http://purl.obolibrary.org/obo/RO_0004047	causally upstream of or within, positive effect		p is causally upstream of, positive effect q iff p is casually upstream of q, and the execution of p is required for the execution of q.
http://purl.obolibrary.org/obo/RO_0002305	causally upstream of, negative effect	http://purl.obolibrary.org/obo/RO_0004046	causally upstream of or within, negative effect		p is causally upstream of, negative effect q iff p is casually upstream of q, and the execution of p decreases the execution of q.
http://purl.obolibrary.org/obo/RO_0002131	overlaps	http://purl.obolibrary.org/obo/RO_0002323	mereotopologically related to		x overlaps y if and only if there exists some z such that x has part z and z part of y
http://purl.obolibrary.org/obo/RO_0002254	has developmental contribution from	http://purl.obolibrary.org/obo/RO_0002258	developmentally preceded by		x has developmental contribution from y iff x has some part z such that z develops from y
http://purl.obolibrary.org/obo/RO_0002496	existence starts during or after	http://purl.obolibrary.org/obo/RO_0002487	relation between physical entity and a process or stage		x existence starts during or after y if and only if the time point at which x starts is after or equivalent to the time point at which y starts. Formally: x existence starts during or after y iff α (x) >= α (y).
http://purl.obolibrary.org/obo/RO_0002497	existence ends during or before	http://purl.obolibrary.org/obo/RO_0002487	relation between physical entity and a process or stage		x existence ends during or before y if and only if the time point at which x ends is before or equivalent to the time point at which y ends.
http://purl.obolibrary.org/obo/BSPO_0000120	in left side of	http://purl.obolibrary.org/obo/BSPO_0000126	in lateral side of		X in left side of Y <=> if Y is subdivided into two left and right portions, X is part of the left portion.
http://purl.obolibrary.org/obo/BSPO_0000121	in right side of	http://purl.obolibrary.org/obo/BSPO_0000126	in lateral side of		X in right side of Y <=> if Y is subdivided into two left and right portions, X is part of the right portion.
http://purl.obolibrary.org/obo/BSPO_0000122	in posterior side of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		X posterior side of Y <=> if Y is subdivided into two anterior and posterior portions, X is part of the posterior portion.
http://purl.obolibrary.org/obo/BSPO_0000123	in anterior side of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		X anterior side of Y <=> if Y is subdivided into two anterior and posterior portions, X is part of the anterior portion.
http://purl.obolibrary.org/obo/BSPO_0000124	in proximal side of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		x in proximal side of y <=> if y is subdivided into two proximal and distal portions, y is part of the proximal portion.
http://purl.obolibrary.org/obo/BSPO_0000125	in distal side of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		x in distal side of y <=> if y is subdivided into two proximal and distal portions, y is part of the distal portion.
http://purl.obolibrary.org/obo/BSPO_0000126	in lateral side of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		X in lateral side of Y <=> if X is in left side of Y or X is in right side of Y. X is often, but not always a paired structure
http://purl.obolibrary.org/obo/BSPO_0001100	in superficial part of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		X superficial part of Y <=> if Y is subdivided into two superficial and deep portions, X is part of the superficial portion.
http://purl.obolibrary.org/obo/BSPO_0001101	in deep part of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		X superficial part of Y <=> if Y is subdivided into two superficial and deep portions, X is part of the deep portion.
http://purl.obolibrary.org/obo/BSPO_0001106	proximalmost part of	http://purl.obolibrary.org/obo/BSPO_0000124	in proximal side of		X proximalmost part of Y <=> X is in proximal side of Y and X is adjacent to the proximal boundary of Y
http://purl.obolibrary.org/obo/BSPO_0001107	immediately deep to	http://purl.obolibrary.org/obo/BSPO_0000107	deep to		x immediately deep to y iff x deep_to y and x is contiguous with y.
http://purl.obolibrary.org/obo/BSPO_0001108	distalmost part of	http://purl.obolibrary.org/obo/BSPO_0000125	in distal side of		X distalmost part of Y <=> X is in distal side of Y and X is adjacent to the distal boundary of Y
http://purl.obolibrary.org/obo/BSPO_0005001	intersects midsagittal plane of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		X intersects median plane of iff X crosses the midine plane of Y.
http://purl.obolibrary.org/obo/BSPO_0015014	immediately superficial to	http://purl.obolibrary.org/obo/BSPO_0000108	superficial to		x immediately superficial to y iff x superficial to y and x is contiguous with y.
http://purl.obolibrary.org/obo/RO_0012000	has small molecule regulator	http://purl.obolibrary.org/obo/RO_0000057	has participant		a relation between a process and a continuant, in which the process is regulated by the small molecule continuant
http://purl.obolibrary.org/obo/RO_0012001	has small molecule activator	http://purl.obolibrary.org/obo/RO_0012000	has small molecule regulator		a relation between a process and a continuant, in which the process is activated by the small molecule continuant
http://purl.obolibrary.org/obo/RO_0012003	acts on population of	http://purl.obolibrary.org/obo/RO_0000057	has participant		p acts on population of c iff c' is a collection, has members of type c, and p has participant c
http://purl.obolibrary.org/obo/RO_0012004	is small molecule regulator of	http://purl.obolibrary.org/obo/RO_0002596	capable of regulating		a relation between a continuant and a process, in which the continuant is a small molecule that regulates the process
http://purl.obolibrary.org/obo/RO_0012005	is small molecule activator of	http://purl.obolibrary.org/obo/RO_0002598	capable of positively regulating		a relation between a continuant and a process, in which the continuant is a small molecule that activates the process
http://purl.obolibrary.org/obo/RO_0002411	causally upstream of	http://purl.obolibrary.org/obo/RO_0002418	causally upstream of or within		p is causally upstream of q iff p is causally related to q, the end of p precedes the end of q, and p is not an occurrent part of q.
http://purl.obolibrary.org/obo/RO_0002211	regulates	http://purl.obolibrary.org/obo/RO_0002411	causally upstream of		p regulates q iff p is causally upstream of q, the execution of p is not constant and varies according to specific conditions, and p influences the rate or magnitude of execution of q due to an effect either on some enabler of q or some enabler of a part of q.
http://purl.obolibrary.org/obo/RO_0002212	negatively regulates	http://purl.obolibrary.org/obo/RO_0002211	regulates		p negatively regulates q iff p regulates q, and p decreases the rate or magnitude of execution of q.
http://purl.obolibrary.org/obo/RO_0002213	positively regulates	http://purl.obolibrary.org/obo/RO_0002211	regulates		p positively regulates q iff p regulates q, and p increases the rate or magnitude of execution of q.
http://purl.obolibrary.org/obo/RO_0002180	has component	http://purl.obolibrary.org/obo/BFO_0000051	has_part		w 'has component' p if w 'has part' p and w is such that it can be directly disassembled into into n parts p, p2, p3, ..., pn, where these parts are of similar type.
http://purl.obolibrary.org/obo/RO_0002163	spatially disjoint from	http://purl.obolibrary.org/obo/RO_0002323	mereotopologically related to		A is spatially_disjoint_from B if and only if they have no parts in common
http://purl.obolibrary.org/obo/RO_0002352	input of	http://purl.obolibrary.org/obo/RO_0002328	functionally related to		inverse of has input
http://purl.obolibrary.org/obo/RO_0002353	output of	http://purl.obolibrary.org/obo/RO_0002328	functionally related to		inverse of has output
http://purl.obolibrary.org/obo/RO_0002473	composed primarily of	http://purl.obolibrary.org/obo/BFO_0000051	has_part		x composed_primarily_of y if and only if more than half of the mass of x is made from y or units of the same type as y.
http://purl.obolibrary.org/obo/RO_0002104	has plasma membrane part	http://purl.obolibrary.org/obo/BFO_0000051	has_part		Holds between a cell c and a protein complex or protein p if and only if that cell has as part a plasma_membrane[GO:0005886], and that plasma membrane has p as part.
http://purl.obolibrary.org/obo/RO_0002203	develops into	http://purl.obolibrary.org/obo/RO_0002387	has potential to develop into		inverse of develops from
http://purl.obolibrary.org/obo/RO_0002387	has potential to develop into	http://purl.obolibrary.org/obo/RO_0002384	has developmental potential involving		x has the potential to develop into y iff x develops into y or if x is capable of developing into y
http://purl.obolibrary.org/obo/RO_0002021	occurs across	http://purl.obolibrary.org/obo/RO_0002479	has part that occurs in		A relationship between a process and a barrier, where the process occurs in a region spanning the barrier. For cellular processes the barrier is typically a membrane. Examples include transport across a membrane and membrane depolarization.
http://purl.obolibrary.org/obo/RO_0002023	directly negatively regulated by	http://purl.obolibrary.org/obo/RO_0002022	directly regulated by		Process(P2) is directly negatively regulated by process(P1) iff: P1 negatively regulates P2 via direct physical interaction between an agent executing P1 (or some part of P1) and an agent executing P2 (or some part of P2).  For example, if protein A has protein binding activity(P1) that targets protein B and this binding  negatively regulates the kinase activity (P2) of protein B then P2 directly negatively regulated by P1.
http://purl.obolibrary.org/obo/RO_0002024	directly positively regulated by	http://purl.obolibrary.org/obo/RO_0002022	directly regulated by		Process(P2) is directly postively regulated by process(P1) iff: P1 positively regulates P2 via direct physical interaction between an agent executing P1 (or some part of P1) and an agent executing P2 (or some part of P2).  For example, if protein A has protein binding activity(P1) that targets protein B and this binding positively regulates the kinase activity (P2) of protein B then P2 is directly postively regulated by P1.
http://purl.obolibrary.org/obo/RO_0015007	increased in magnitude relative to	http://purl.obolibrary.org/obo/RO_0015006	different in magnitude relative to		q1 increased_in_magnitude_relative_to q2 if and only if magnitude(q1) > magnitude(q2). Here, magnitude(q) is a function that maps a quality to a unit-invariant scale.
http://purl.obolibrary.org/obo/RO_0015008	decreased in magnitude relative to	http://purl.obolibrary.org/obo/RO_0015006	different in magnitude relative to		q1 decreased_in_magnitude_relative_to q2 if and only if magnitude(q1) < magnitude(q2). Here, magnitude(q) is a function that maps a quality to a unit-invariant scale.
http://purl.obolibrary.org/obo/RO_0012011	indirectly causally upstream of	http://purl.obolibrary.org/obo/RO_0002411	causally upstream of		p is indirectly causally upstream of q iff p is causally upstream of q and there exists some process r such that p is causally upstream of r and r is causally upstream of q.
http://purl.obolibrary.org/obo/RO_0012012	indirectly regulates	http://purl.obolibrary.org/obo/RO_0012011	indirectly causally upstream of		p indirectly regulates q iff p is indirectly causally upstream of q and p regulates q.
http://purl.obolibrary.org/obo/RO_0002007	bounding layer of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		X outer_layer_of Y iff:
. X :continuant that bearer_of some PATO:laminar
. X part_of Y
. exists Z :surface
. X has_boundary Z
. Z boundary_of Y

has_boundary: http://purl.obolibrary.org/obo/RO_0002002
boundary_of: http://purl.obolibrary.org/obo/RO_0002000
http://purl.obolibrary.org/obo/RO_0002170	connected to	http://purl.obolibrary.org/obo/RO_0002323	mereotopologically related to		a is connected to b if and only if a and b are discrete structure, and there exists some connecting structure c, such that c connects a and b
http://purl.obolibrary.org/obo/RO_0002177	attached to part of	http://purl.obolibrary.org/obo/RO_0002567	biomechanically related to		a is attached to part of b if a is attached to b, or a is attached to some p, where p is part of b.
http://purl.obolibrary.org/obo/RO_0002179	drains	http://purl.obolibrary.org/obo/RO_0002170	connected to		Relation between an collecting structure and another structure, where the collecting structure acts as a conduit channeling fluid, substance or energy away from the other structure.
http://purl.obolibrary.org/obo/RO_0002264	acts upstream of or within	http://purl.obolibrary.org/obo/RO_0002500	causal agent in process		c acts upstream of or within p if c is enables f, and f is causally upstream of or within p. c is a material entity and p is an process.
http://purl.obolibrary.org/obo/RO_0002375	in branching relationship with	http://purl.obolibrary.org/obo/RO_0002323	mereotopologically related to		A relationship that holds between two material entities in a system of connected structures, where the branching relationship holds based on properties of the connecting network.
http://purl.obolibrary.org/obo/RO_0002503	towards	http://purl.obolibrary.org/obo/RO_0002502	depends on		q towards e2 if and only if q is a relational quality such that q inheres-in some e, and e != e2 and q is dependent on e2
http://purl.obolibrary.org/obo/RO_0002567	biomechanically related to	http://purl.obolibrary.org/obo/RO_0002328	functionally related to		A relation that holds between elements of a musculoskeletal system or its analogs.
http://purl.obolibrary.org/obo/RO_0002373	has muscle insertion	http://purl.obolibrary.org/obo/RO_0002567	biomechanically related to		m has_muscle_insertion s iff m is attaches_to s, and it is the case that when m contracts, s moves. Insertions are usually connections of muscle via tendon to bone.
http://purl.obolibrary.org/obo/RO_0002433	contributes to morphology of	http://purl.obolibrary.org/obo/RO_0002131	overlaps		p contributes to morphology of w if and only if a change in the morphology of p entails a change in the morphology of w. Examples: every skull contributes to morphology of the head which it is a part of. Counter-example: nuclei do not generally contribute to the morphology of the cell they are part of, as they are buffered by cytoplasm.
http://purl.obolibrary.org/obo/RO_0002488	existence starts during	http://purl.obolibrary.org/obo/RO_0002496	existence starts during or after		x existence starts during y if and only if the time point at which x starts is after or equivalent to the time point at which y starts and before or equivalent to the time point at which y ends. Formally: x existence starts during y iff α(x) >= α(y) & α(x) <= ω(y).
http://purl.obolibrary.org/obo/RO_0002489	existence starts with	http://purl.obolibrary.org/obo/RO_0002488	existence starts during		x starts ends with y if and only if the time point at which x starts is equivalent to the time point at which y starts. Formally: x existence starts with y iff α(x) = α(y).
http://purl.obolibrary.org/obo/RO_0002492	existence ends during	http://purl.obolibrary.org/obo/RO_0002497	existence ends during or before		x existence ends during y if and only if the time point at which x ends is before or equivalent to the time point at which y ends and after or equivalent to the point at which y starts. Formally: x existence ends during y iff ω(x) <= ω(y) and ω(x) >= α(y).
http://purl.obolibrary.org/obo/RO_0002493	existence ends with	http://purl.obolibrary.org/obo/RO_0002492	existence ends during		x existence ends with y if and only if the time point at which x ends is equivalent to the time point at which y ends. Formally: x existence ends with y iff ω(x) = ω(y).
http://purl.obolibrary.org/obo/RO_0002494	transformation of	http://purl.obolibrary.org/obo/RO_0002202	develops from		x transformation of y if x is the immediate transformation of y, or is linked to y through a chain of transformation relationships
http://purl.obolibrary.org/obo/RO_0002495	immediate transformation of	http://purl.obolibrary.org/obo/RO_0002207	directly develops from		x immediate transformation of y iff x immediately succeeds y temporally at a time boundary t, and all of the matter present in x at t is present in y at t, and all the matter in y at t is present in x at t
http://purl.obolibrary.org/obo/RO_0002572	luminal space of	http://purl.obolibrary.org/obo/RO_0002571	lumen of		s is luminal space of x iff s is lumen_of x and s is an immaterial entity
http://purl.obolibrary.org/obo/RO_0002576	skeleton of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		inverse of has skeleton
http://purl.obolibrary.org/obo/uberon/core#extends_fibers_into	extends_fibers_into	http://purl.obolibrary.org/obo/RO_0002170	connected to		X extends_fibers into Y iff there exists some neuron (N) and N has_soma_location X and N 'has synaptic IO in region' some Y
http://purl.obolibrary.org/obo/RO_0012013	positively regulates in another organism	http://purl.obolibrary.org/obo/RO_0002010	regulates in another organism		x 'positively regulates in other organism' y if and only if: (x is the realization of a function to increase the frequency, rate or extent of y) AND (the agents of x are produced by organism o1 and the agents of y are produced by organism o2).
http://purl.obolibrary.org/obo/RO_0012014	negatively regulates in another organism	http://purl.obolibrary.org/obo/RO_0002010	regulates in another organism		x 'negatively regulates in other organism' y if and only if: (x is the realization of a function to reduce the frequency, rate or extent of y) AND (the agents of x are produced by organism o1 and the agents of y are produced by organism o2).
http://purl.obolibrary.org/obo/RO_0020101	vessel supplies blood to	http://purl.obolibrary.org/obo/RO_0002178	supplies		x vessel supplies blood to y if and only if x is a vessel that supplies blood directly or indirectly to an anatomical structure y.
http://purl.obolibrary.org/obo/RO_0020102	vessel drains blood from	http://purl.obolibrary.org/obo/RO_0002179	drains		x vessel drains blood from y if and only if x is a vessel that drains blood directly or indirectly from an anatomical structure y.
http://purl.obolibrary.org/obo/RO_0002103	synapsed by	http://purl.obolibrary.org/obo/RO_0002485	receives input from		Relation between an anatomical structure (including cells) and a neuron that chemically synapses to it. 
http://purl.obolibrary.org/obo/RO_0002120	synapsed to	http://purl.obolibrary.org/obo/RO_0002486	sends output to		 Relation between a neuron and an anatomical structure (including cells) that it chemically synapses to.
        
http://purl.obolibrary.org/obo/RO_0002255	developmentally contributes to	http://purl.obolibrary.org/obo/RO_0002385	has potential to developmentally contribute to		inverse of has developmental contribution from
http://purl.obolibrary.org/obo/RO_0002334	regulated by	http://purl.obolibrary.org/obo/RO_0002427	causally downstream of or within		inverse of regulates
http://purl.obolibrary.org/obo/RO_0002335	negatively regulated by	http://purl.obolibrary.org/obo/RO_0002334	regulated by		inverse of negatively regulates
http://purl.obolibrary.org/obo/RO_0002336	positively regulated by	http://purl.obolibrary.org/obo/RO_0002334	regulated by		inverse of positively regulates
http://purl.obolibrary.org/obo/RO_0002379	spatially coextensive with	http://purl.obolibrary.org/obo/RO_0002131	overlaps		x spatially_coextensive_with y if and inly if x and y have the same location
http://purl.obolibrary.org/obo/RO_0002385	has potential to developmentally contribute to	http://purl.obolibrary.org/obo/RO_0002384	has developmental potential involving		x has potential to developmentrally contribute to y iff x developmentally contributes to y or x is capable of developmentally contributing to y
http://purl.obolibrary.org/obo/RO_0002427	causally downstream of or within	http://purl.obolibrary.org/obo/RO_0002501	causal relation between processes		inverse of causally upstream of or within
http://purl.obolibrary.org/obo/RO_0002500	causal agent in process	http://purl.obolibrary.org/obo/RO_0002595	causal relation between material entity and a process		A relationship between a material entity and a process where the material entity has some causal role that influences the process
http://purl.obolibrary.org/obo/RO_0002501	causal relation between processes	http://purl.obolibrary.org/obo/RO_0002410	causally related to		p is causally related to q if and only if p or any part of p and q or any part of q are linked by a chain of events where each event pair is one where the execution of p influences the execution of q. p may be upstream, downstream, part of, or a container of q.
http://purl.obolibrary.org/obo/RO_0002584	has part structure that is capable of	http://purl.obolibrary.org/obo/RO_0002595	causal relation between material entity and a process		s 'has part structure that is capable of' p if and only if there exists some part x such that s 'has part' x and x 'capable of' p
http://purl.obolibrary.org/obo/RO_0002595	causal relation between material entity and a process	http://purl.obolibrary.org/obo/RO_0002410	causally related to		A relationship that holds between a material entity and a process in which causality is involved, with either the material entity or some part of the material entity exerting some influence over the process, or the process influencing some aspect of the material entity.
http://purl.obolibrary.org/obo/RO_0002596	capable of regulating	http://purl.obolibrary.org/obo/RO_0002500	causal agent in process		Holds between c and p if and only if c is capable of some activity a, and a regulates p.
http://purl.obolibrary.org/obo/RO_0002597	capable of negatively regulating	http://purl.obolibrary.org/obo/RO_0002596	capable of regulating		Holds between c and p if and only if c is capable of some activity a, and a negatively regulates p.
http://purl.obolibrary.org/obo/RO_0002598	capable of positively regulating	http://purl.obolibrary.org/obo/RO_0002596	capable of regulating		Holds between c and p if and only if c is capable of some activity a, and a positively regulates p.
http://purl.obolibrary.org/obo/RO_0002608	process has causal agent	http://purl.obolibrary.org/obo/RO_0002410	causally related to		Inverse of 'causal agent in process'
http://purl.obolibrary.org/obo/RO_0002082	simultaneous with	http://purl.obolibrary.org/obo/RO_0002081	before or simultaneous with		x simultaneous with y iff ω(x) = ω(y) and ω(α ) = ω(α), where α is a function that maps a process to a start point, and ω is a function that maps a process to an end point and '=' indicates the same instance in time.
http://purl.obolibrary.org/obo/RO_0002102	axon synapses in	http://purl.obolibrary.org/obo/RO_0002113	has presynaptic terminal in		Relation between a neuron and some structure its axon forms (chemical) synapses in.
http://purl.obolibrary.org/obo/RO_0002157	has derived by descendant	http://purl.obolibrary.org/obo/RO_0002320	evolutionarily related to		inverse of derived by descent from
http://purl.obolibrary.org/obo/RO_0002158	shares ancestor with	http://purl.obolibrary.org/obo/RO_0002320	evolutionarily related to		two individual entities d1 and d2 stand in a shares_ancestor_with relation if and only if there exists some a such that d1 derived_by_descent_from a and d2 derived_by_descent_from a.
http://purl.obolibrary.org/obo/RO_0002206	expressed in	http://purl.obolibrary.org/obo/RO_0002330	genomically related to		x expressed in y if and only if there is a gene expression process (GO:0010467) that occurs in y, and one of the following holds: (i) x is a gene, and x is transcribed into a transcript as part of the gene expression process (ii) x is a transcript, and the transcription of x is part of the gene expression process (iii) x is a mature gene product such as a protein, and x was translated or otherwise processes from a transcript that was transcribed as part of this gene expression process
http://purl.obolibrary.org/obo/RO_0002207	directly develops from	http://purl.obolibrary.org/obo/RO_0002202	develops from		Candidate definition: x directly_develops from y if and only if there exists some developmental process (GO:0032502) p such that x and y both participate in p, and x is the output of p and y is the input of p, and a substantial portion of the matter of x comes from y, and the start of x is coincident with or after the end of y.
http://purl.obolibrary.org/obo/RO_0002221	surrounds	http://purl.obolibrary.org/obo/RO_0002220	adjacent to		inverse of surrounded by
http://purl.obolibrary.org/obo/RO_0002225	develops from part of	http://purl.obolibrary.org/obo/RO_0002202	develops from		x develops from part of y if and only if there exists some z such that x develops from z and z is part of y
http://purl.obolibrary.org/obo/RO_0002226	develops in	http://purl.obolibrary.org/obo/RO_0002258	developmentally preceded by		x develops_in y if x is located in y whilst x is developing
http://purl.obolibrary.org/obo/RO_0002229	ends	http://purl.obolibrary.org/obo/BFO_0000050	part_of		inverse of ends with
http://purl.obolibrary.org/obo/RO_0002257	developmentally induces	http://purl.obolibrary.org/obo/RO_0002386	has potential to developmentally induce		Inverse of developmentally induced by
http://purl.obolibrary.org/obo/RO_0002292	expresses	http://purl.obolibrary.org/obo/RO_0002330	genomically related to		y expresses x if and only if there is a gene expression process (GO:0010467) that occurs in y, and one of the following holds: (i) x is a gene, and x is transcribed into a transcript as part of the gene expression process (ii) x is a transcript, and x was transcribed from a gene as part of the gene expression process (iii) x is a mature gene product (protein or RNA), and x was translated or otherwise processed from a transcript that was transcribed as part of the gene expression process.
http://purl.obolibrary.org/obo/RO_0002295	results in developmental progression of	http://purl.obolibrary.org/obo/RO_0002324	developmentally related to		p results in the developmental progression of s iff p is a developmental process and s is an anatomical entity and p causes s to undergo a change in state at some point along its natural developmental cycle (this cycle starts with its formation, through the mature structure, and ends with its loss).
http://purl.obolibrary.org/obo/RO_0002296	results in development of	http://purl.obolibrary.org/obo/RO_0002295	results in developmental progression of		p 'results in development of' c if and only if p is a developmental process and p results in the state of c changing from its initial state as a primordium or anlage through its mature state and to its final state.
http://purl.obolibrary.org/obo/RO_0002298	results in morphogenesis of	http://purl.obolibrary.org/obo/RO_0002295	results in developmental progression of		The relationship that links an entity with the process that results in the formation and shaping of that entity over time from an immature to a mature state.
http://purl.obolibrary.org/obo/RO_0002299	results in maturation of	http://purl.obolibrary.org/obo/RO_0002295	results in developmental progression of		The relationship that links an entity with a process that results in the progression of the entity over time that is independent of changes in it's shape and results in an end point state of that entity.
http://purl.obolibrary.org/obo/RO_0015015	has high plasma membrane amount	http://purl.obolibrary.org/obo/RO_0002104	has plasma membrane part		A relation between a cell and molecule or complex such that every instance of the cell has a high number of instances of that molecule expressed on the cell surface.
http://purl.obolibrary.org/obo/RO_0015016	has low plasma membrane amount	http://purl.obolibrary.org/obo/RO_0002104	has plasma membrane part		A relation between a cell and molecule or complex such that every instance of the cell has a low number of instances of that molecule expressed on the cell surface.
http://purl.obolibrary.org/obo/RO_0013007	has sensory dendrite in	http://purl.obolibrary.org/obo/RO_0002360	has dendrite location		Relation between a sensory neuron and some structure in which it receives sensory input via a sensory dendrite.
http://purl.obolibrary.org/obo/RO_0002010	regulates in another organism	http://purl.obolibrary.org/obo/RO_0002418	causally upstream of or within		x 'regulates in other organism' y if and only if: (x is the realization of a function to exert an effect on the frequency, rate or extent of y) AND (the agents of x are produced by organism o1 and the agents of y are produced by organism o2).
http://purl.obolibrary.org/obo/RO_0002315	results in acquisition of features of	http://purl.obolibrary.org/obo/RO_0002295	results in developmental progression of		The relationship that links a specified entity with the process that results in an unspecified entity acquiring the features and characteristics of the specified entity
http://purl.obolibrary.org/obo/RO_0002332	regulates levels of	http://purl.obolibrary.org/obo/RO_0002328	functionally related to		p regulates levels of c if p regulates some amount (PATO:0000070) of c
http://purl.obolibrary.org/obo/RO_0002338	has target start location	http://purl.obolibrary.org/obo/RO_0002344	results in transport to from or in		This relationship holds between p and l when p is a transport or localization process in which the outcome is to move some cargo c from some initial location l to some destination.
http://purl.obolibrary.org/obo/RO_0002339	has target end location	http://purl.obolibrary.org/obo/RO_0002344	results in transport to from or in		This relationship holds between p and l when p is a transport or localization process in which the outcome is to move some cargo c from a an initial location to some destination l.
http://purl.obolibrary.org/obo/RO_0002341	results in transport along	http://purl.obolibrary.org/obo/RO_0002337	related via localization to		Holds between p and l when p is a transportation or localization process and the outcome of this process is to move c from one location to another, and the route taken by c follows a path that is aligned_with l 
http://purl.obolibrary.org/obo/RO_0002342	results in transport across	http://purl.obolibrary.org/obo/RO_0002344	results in transport to from or in		Holds between p and m when p is a transportation or localization process and the outcome of this process is to move c from one location to another, and the route taken by c follows a path that crosses m.
http://purl.obolibrary.org/obo/RO_0002348	results in commitment to	http://purl.obolibrary.org/obo/RO_0002295	results in developmental progression of		p 'results in commitment to' c if and only if p is a developmental process and c is a cell and p results in the state of c changing such that is can only develop into a single cell type.
http://purl.obolibrary.org/obo/RO_0002349	results in determination of	http://purl.obolibrary.org/obo/RO_0002295	results in developmental progression of		p 'results in determination of' c if and only if p is a developmental process and c is a cell and p results in the state of c changing to be determined. Once a cell becomes determined, it becomes committed to differentiate down a particular pathway regardless of its environment.
http://purl.obolibrary.org/obo/RO_0002355	results in structural organization of	http://purl.obolibrary.org/obo/RO_0002295	results in developmental progression of		A relationship between a process and an anatomical entity such that the process contributes to the act of creating the structural organization of the anatomical entity.
http://purl.obolibrary.org/obo/RO_0002356	results in specification of	http://purl.obolibrary.org/obo/RO_0002295	results in developmental progression of		The relationship linking a cell and its participation in a process that results in the fate of the cell being specified. Once specification has taken place, a cell will be committed to differentiate down a specific pathway if left in its normal environment. 
http://purl.obolibrary.org/obo/RO_0002386	has potential to developmentally induce	http://purl.obolibrary.org/obo/RO_0002384	has developmental potential involving		x has potential to developmentally induce y iff x developmentally induces y or x is capable of developmentally inducing y
http://purl.obolibrary.org/obo/RO_0002414	transitively provides input for	http://purl.obolibrary.org/obo/RO_0004047	causally upstream of or within, positive effect		transitive form of directly_provides_input_for
http://purl.obolibrary.org/obo/RO_0002428	involved in regulation of	http://purl.obolibrary.org/obo/RO_0002431	involved in or involved in regulation of		c involved in regulation of p if c is involved in some p' and p' regulates some p
http://purl.obolibrary.org/obo/RO_0002565	results in movement of	http://purl.obolibrary.org/obo/RO_0040036	results in changes to anatomical or cellular structure		Holds between p and c when p is locomotion process and the outcome of this process is the change of location of c
http://purl.obolibrary.org/obo/RO_0002570	conduit for	http://purl.obolibrary.org/obo/RO_0002131	overlaps		x is a conduit for y iff y overlaps through the lumen_of of x, and y has parts on either side of the lumen of x.
http://purl.obolibrary.org/obo/RO_0002578	directly regulates	http://purl.obolibrary.org/obo/RO_0002211	regulates		p directly regulates q iff p is immediately causally upstream of q and p regulates q.
http://purl.obolibrary.org/obo/RO_0002586	results in breakdown of	http://purl.obolibrary.org/obo/RO_0002233	has input		p results in breakdown of c if and only if the execution of p leads to c no longer being present at the end of p
http://purl.obolibrary.org/obo/RO_0002592	results in organization of	http://purl.obolibrary.org/obo/RO_0040036	results in changes to anatomical or cellular structure		p results in organization of c iff p results in the assembly, arrangement of constituent parts, or disassembly of c
http://purl.obolibrary.org/obo/RO_0002629	directly positively regulates	http://purl.obolibrary.org/obo/RO_0002578	directly regulates		p directly positively regulates q iff p is immediately causally upstream of q, and p positively regulates q.
http://purl.obolibrary.org/obo/RO_0002630	directly negatively regulates	http://purl.obolibrary.org/obo/RO_0002578	directly regulates		p directly negatively regulates q iff p is immediately causally upstream of q, and p negatively regulates q.
http://purl.obolibrary.org/obo/RO_0002081	before or simultaneous with	http://purl.obolibrary.org/obo/RO_0002222	temporally related to	<=	
http://purl.obolibrary.org/obo/RO_0002087	immediately preceded by	http://purl.obolibrary.org/obo/BFO_0000062	preceded by	starts_at_end_of	
http://purl.obolibrary.org/obo/RO_0002090	immediately precedes	http://purl.obolibrary.org/obo/BFO_0000063	precedes	meets	
http://purl.obolibrary.org/obo/RO_0002091	starts during	http://purl.obolibrary.org/obo/RO_0002222	temporally related to	io	
http://purl.obolibrary.org/obo/RO_0002092	happens during	http://purl.obolibrary.org/obo/RO_0002093	ends during	during	
http://purl.obolibrary.org/obo/RO_0002093	ends during	http://purl.obolibrary.org/obo/RO_0002222	temporally related to	overlaps	
http://purl.obolibrary.org/obo/RO_0002085	encompasses	http://purl.obolibrary.org/obo/RO_0002088	during which starts	di	
http://purl.obolibrary.org/obo/RO_0002083	before	http://purl.obolibrary.org/obo/RO_0002081	before or simultaneous with		
http://purl.obolibrary.org/obo/RO_0002343	results in growth of	http://purl.obolibrary.org/obo/RO_0002295	results in developmental progression of		
http://purl.obolibrary.org/obo/RO_0002297	results in formation of anatomical entity	http://purl.obolibrary.org/obo/RO_0002295	results in developmental progression of		
http://purl.obolibrary.org/obo/RO_0002287	part of developmental precursor of	http://purl.obolibrary.org/obo/RO_0002286	developmentally succeeded by		
http://purl.obolibrary.org/obo/RO_0002159	serially homologous to	http://purl.obolibrary.org/obo/RO_0002320	evolutionarily related to		
http://purl.obolibrary.org/obo/GOREL_0002004	results in fission of	http://purl.obolibrary.org/obo/RO_0000057	has participant		
http://purl.obolibrary.org/obo/GOREL_0001006	acts_on_population_of	http://purl.obolibrary.org/obo/RO_0000057	has participant		
http://purl.obolibrary.org/obo/RO_0002405	immediately causally downstream of	http://purl.obolibrary.org/obo/RO_0002404	causally downstream of		
http://purl.obolibrary.org/obo/RO_0002563	interaction relation helper property	http://purl.obolibrary.org/obo/RO_0002464	helper property (not for use in curation)		
http://purl.obolibrary.org/obo/RO_0002564	molecular interaction relation helper property	http://purl.obolibrary.org/obo/RO_0002563	interaction relation helper property		
http://purl.obolibrary.org/obo/RO_0002481	is kinase activity	http://purl.obolibrary.org/obo/RO_0002564	molecular interaction relation helper property		
http://purl.obolibrary.org/obo/RO_0002482	is ubiquitination	http://purl.obolibrary.org/obo/RO_0002564	molecular interaction relation helper property		
http://purl.obolibrary.org/obo/RO_0002006	has synaptic terminal of	http://purl.obolibrary.org/obo/RO_0002131	overlaps		
http://purl.obolibrary.org/obo/RO_0002360	has dendrite location	http://purl.obolibrary.org/obo/RO_0002131	overlaps		
http://purl.obolibrary.org/obo/uberon/core#in_innermost_side_of	in_innermost_side_of	http://purl.obolibrary.org/obo/BSPO_0000126	in lateral side of		
http://purl.obolibrary.org/obo/uberon/core#in_outermost_side_of	in_outermost_side_of	http://purl.obolibrary.org/obo/BSPO_0000126	in lateral side of		
http://purl.obolibrary.org/obo/RO_0002086	ends after	http://purl.obolibrary.org/obo/RO_0002222	temporally related to		
http://purl.obolibrary.org/obo/RO_0002084	during which ends	http://purl.obolibrary.org/obo/RO_0002222	temporally related to		
http://purl.obolibrary.org/obo/RO_0002088	during which starts	http://purl.obolibrary.org/obo/RO_0002222	temporally related to		
http://purl.obolibrary.org/obo/uberon/core#layer_part_of	layer part of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		
http://purl.obolibrary.org/obo/uberon/core#trunk_part_of	trunk_part_of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		
http://purl.obolibrary.org/obo/BSPO_0001113	preaxialmost part of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		
http://purl.obolibrary.org/obo/BSPO_0001115	postaxialmost part of	http://purl.obolibrary.org/obo/BFO_0000050	part_of		
http://purl.obolibrary.org/obo/RO_0002354	formed as result of	http://purl.obolibrary.org/obo/RO_0002353	output of		
http://purl.obolibrary.org/obo/RO_0002485	receives input from	http://purl.obolibrary.org/obo/RO_0002170	connected to		
http://purl.obolibrary.org/obo/RO_0002486	sends output to	http://purl.obolibrary.org/obo/RO_0002170	connected to		
http://purl.obolibrary.org/obo/RO_0002022	directly regulated by	http://purl.obolibrary.org/obo/RO_0002334	regulated by		
http://purl.obolibrary.org/obo/RO_0004046	causally upstream of or within, negative effect	http://purl.obolibrary.org/obo/RO_0002418	causally upstream of or within		
http://purl.obolibrary.org/obo/RO_0004047	causally upstream of or within, positive effect	http://purl.obolibrary.org/obo/RO_0002418	causally upstream of or within		
http://purl.obolibrary.org/obo/uberon/core#sexually_homologous_to	sexually_homologous_to	http://purl.obolibrary.org/obo/RO_0002158	shares ancestor with		
http://purl.obolibrary.org/obo/RO_0002588	results in assembly of	http://purl.obolibrary.org/obo/RO_0002592	results in organization of		
http://purl.obolibrary.org/obo/UPHENO_0000001	phenotype affects entity	http://purl.obolibrary.org/obo/UPHENO_0000003	phenotype is associated with entity		
http://purl.obolibrary.org/obo/RO_0002344	results in transport to from or in	http://purl.obolibrary.org/obo/RO_0002337	related via localization to		
http://purl.obolibrary.org/obo/RO_0002590	results in disassembly of	http://purl.obolibrary.org/obo/RO_0002592	results in organization of		
http://purl.obolibrary.org/obo/GOREL_0012006	results in maintenance of	http://purl.obolibrary.org/obo/RO_0002592	results in organization of		
http://purl.obolibrary.org/obo/RO_0012008	results in fusion of	http://purl.obolibrary.org/obo/RO_0002592	results in organization of		
http://purl.obolibrary.org/obo/RO_0000053	has characteristic			is bearer of	Inverse of characteristic_of
http://purl.obolibrary.org/obo/RO_0000056	participates in			participates_in	a relation between a continuant and a process, in which the continuant is somehow involved in the process
http://purl.obolibrary.org/obo/RO_0000057	has participant			has_participant	a relation between a process and a continuant, in which the continuant is somehow involved in the process
http://purl.obolibrary.org/obo/RO_0001000	derives from			derives_from	a relation between two distinct material entities, the new entity and the old entity, in which the new entity begins to exist when the old entity ceases to exist, and the new entity inherits the significant portion of the matter of the old entity
http://purl.obolibrary.org/obo/RO_0001001	derives into			derives_into	a relation between two distinct material entities, the old entity and the new entity, in which the new entity begins to exist when the old entity ceases to exist, and the new entity inherits the significant portion of the matter of the old entity
http://purl.obolibrary.org/obo/RO_0001015	location of			location_of	a relation between two independent continuants, the location and the target, in which the target is entirely within the location
http://purl.obolibrary.org/obo/RO_0001025	located in			located_in	a relation between two independent continuants, the target and the location, in which the target is entirely within the location
http://purl.obolibrary.org/obo/RO_0002218	obsolete has active participant			has agent	OBSOLETE x has participant y if and only if x realizes some active role that inheres in y
http://purl.obolibrary.org/obo/BFO_0000066	occurs in			unfolds_in	b occurs_in c =def b is a process and c is a material entity or immaterial entity& there exists a spatiotemporal region r and b occupies_spatiotemporal_region r.& forall(t) if b exists_at t then c exists_at t & there exist spatial regions s and s’ where & b spatially_projects_onto s at t& c is occupies_spatial_region s’ at t& s is a proper_continuant_part_of s’ at t
http://purl.obolibrary.org/obo/uberon/core#filtered_through	filtered through				Relationship between a fluid and a material entity, where the fluid is the output of a realization of a filtration role that inheres in the material entity.
http://purl.obolibrary.org/obo/RO_0002320	evolutionarily related to				A relationship that holds via some environmental process
http://purl.obolibrary.org/obo/RO_0002324	developmentally related to				A relationship that holds between entities participating in some developmental process (GO:0032502)
http://purl.obolibrary.org/obo/uberon/core#indirectly_supplies	indirectly_supplies				a indirectly_supplies s iff a has a branch and the branch supplies or indirectly supplies s.
http://purl.obolibrary.org/obo/uberon/core#site_of	site_of				c site_of p if c is the bearer of a disposition that is realized by a process that has p as part.
http://purl.obolibrary.org/obo/RO_0015004	has characterizing marker set				A relation that applies between a cell type and a set of markers that can be used to uniquely identify that cell type.
http://purl.obolibrary.org/obo/BFO_0000067	contains process				[copied from inverse property 'occurs in'] b occurs_in c =def b is a process and c is a material entity or immaterial entity& there exists a spatiotemporal region r and b occupies_spatiotemporal_region r.& forall(t) if b exists_at t then c exists_at t & there exist spatial regions s and s’ where & b spatially_projects_onto s at t& c is occupies_spatial_region s’ at t& s is a proper_continuant_part_of s’ at t
http://purl.obolibrary.org/obo/RO_0017001	device utilizes material				X device utilizes material Y means X and Y are material entities, and X is capable of some process P that has input Y.
http://purl.obolibrary.org/obo/RO_0003000	produces				a produces b if some process that occurs_in a has_output b, where a and b are material entities. Examples: hybridoma cell line produces monoclonal antibody reagent; chondroblast produces avascular GAG-rich matrix.
http://purl.obolibrary.org/obo/RO_0003001	produced by				a produced_by b iff some process that occurs_in b has_output a.
http://purl.obolibrary.org/obo/RO_0002573	qualifier				A relation that holds between an attribute or a qualifier and another attribute.
http://purl.obolibrary.org/obo/BSPO_0001102	parallel to				x is parallel t y iff x and y are lines or planes which when extended indefinitely do not cross.
http://purl.obolibrary.org/obo/BSPO_0000096	anterior to				x anterior to y iff x is further along the antero-posterior axis than y, towards the head. An antero-posterior axis is an axis that extends through an organism from head end to opposite end of body or tail.
http://purl.obolibrary.org/obo/BSPO_0000097	distal to				x distal to y iff x is further along the proximo-distal axis than y, towards the appendage tip. A proximo-distal axis extends from tip of an appendage (distal) to where it joins the body (proximal).
http://purl.obolibrary.org/obo/BSPO_0000099	posterior to				x posterior to y iff x is further along the antero-posterior axis than y, towards the body/tail. An antero-posterior axis is an axis that extends through an organism from head end to opposite end of body or tail.
http://purl.obolibrary.org/obo/BSPO_0000100	proximal to				x proximal to y iff x is closer to the point of attachment with the body than y.
http://purl.obolibrary.org/obo/BSPO_0000102	ventral to				x ventral to y iff x is further along the dorso-ventral axis than y, towards the front. A dorso-ventral axis is an axis that extends through an organism from back (e.g. spinal column) to front (e.g. belly).
http://purl.obolibrary.org/obo/BSPO_0000104	approximately perpendicular to				Crosses at an angle that is 90 degrees, or close to 90 degrees. In any non-linear organism, the main axes are rarely perpendicular when taken through the organism as a whole.
http://purl.obolibrary.org/obo/BSPO_0000107	deep to				Further away from the surface of the organism. Thus, the muscular layer is deep to the skin, but superficial to the intestines.
http://purl.obolibrary.org/obo/BSPO_0000108	superficial to				Near the outer surface of the organism. Thus, skin is superficial to the muscle layer.
http://purl.obolibrary.org/obo/BSPO_0000110	left of				Closer to the left side of the organism. Example: The dorsal fin is right of the left pectoral fin, but is left of the right eye. On the type level: X left of Y <=> every instance x of X is left of some instance y of Y, and there exists some organism o such that x part of o and y part of o.
http://purl.obolibrary.org/obo/BSPO_0000111	right of				Closer to the right side of the organism. Example: The dorsal fin is right of the left pectoral fin, but is left of the right eye. On the type level: X left of Y <=> every instance x of X is right of some instance y of Y, and there exists some organism o such that x part of o and y part of o.
http://purl.obolibrary.org/obo/BSPO_0000113	opposite to				Direcly opposite to. i.e. on the opposite side through the axis.
http://purl.obolibrary.org/obo/BSPO_0015005	orthogonal to				crossing at right angles
http://purl.obolibrary.org/obo/RO_0015006	different in magnitude relative to				q1 different_in_magnitude_relative_to q2 if and only if magnitude(q1) NOT =~ magnitude(q2). Here, magnitude(q) is a function that maps a quality to a unit-invariant scale.
http://purl.obolibrary.org/obo/RO_0002323	mereotopologically related to				A mereological relationship or a topological relationship
http://purl.obolibrary.org/obo/RO_0002328	functionally related to				A grouping relationship for any relationship directly involving a function, or that holds because of a function of one of the related entities.
http://purl.obolibrary.org/obo/RO_0015011	has cross section				s3 has_cross_section s3 if and only if : there exists some 2d plane that intersects the bearer of s3, and the impression of s3 upon that plane has shape quality s2.
http://purl.obolibrary.org/obo/RO_0015012	reciprocal of				q1 reciprocal_of q2 if and only if : q1 and q2 are relational qualities and a phenotype e q1 e2 mutually implies a phenotype e2 q2 e.
http://purl.obolibrary.org/obo/RO_0020105	is anatomical entity				This property only applies to anatomical entities.
http://purl.obolibrary.org/obo/RO_0002330	genomically related to				holds between two entities when some genome-level process such as gene expression is involved. This includes transcriptional, spliceosomal events. These relations can be used between either macromolecule entities (such as regions of nucleic acid) or between their abstract informational counterparts.
http://purl.obolibrary.org/obo/RO_0002134	innervates				Relation between a 'neuron projection bundle' and a region in which one or more of its component neuron projections either synapses to targets or receives synaptic input.
T innervates some R
Expands_to: T has_fasciculating_neuron_projection that synapse_in some R.
http://purl.obolibrary.org/obo/RO_0002005	innervated by				relation between an anatomical structure and a neuron projection bundle that has synaptic terminals in the structure.
http://purl.obolibrary.org/obo/RO_0002410	causally related to				relation that links two events, processes, states, or objects such that one event, process, state, or object (a cause) contributes to the production of another event, process, state, or object (an effect) where the cause is partly or wholly responsible for the effect, and the effect is partly or wholly dependent on the cause.
http://purl.obolibrary.org/obo/RO_0002479	has part that occurs in				p has part that occurs in c if and only if there exists some p1, such that p has_part p1, and p1 occurs in c.
http://purl.obolibrary.org/obo/fypo#has_output	has_output				p has output c if either: p has direct output c or p has output input c. Implies that if p happens, c always ensues.
http://purl.obolibrary.org/obo/RO_0002337	related via localization to				A relationship that holds via some process of localization
http://purl.obolibrary.org/obo/RO_0002610	correlated with				A relationship that holds between two entities, where the entities exhibit a statistical dependence relationship. The entities may be statistical variables, or they may be other kinds of entities such as diseases, chemical entities or processes.
http://purl.obolibrary.org/obo/RO_0001018	obsolete contained in			contained_in	
http://purl.obolibrary.org/obo/GOREL_0000040	results in				
http://purl.obolibrary.org/obo/GOREL_0000001	happens_during				
http://purl.obolibrary.org/obo/GOREL_0000002	during				
http://purl.obolibrary.org/obo/GOREL_0000032	exists_during				
http://purl.obolibrary.org/obo/GOREL_0000501	occurs_at				
http://purl.obolibrary.org/obo/nbo#has_participant	has_participant				
http://purl.obolibrary.org/obo/nbo#by_means	by_means				
http://purl.obolibrary.org/obo/nbo#in_response_to	in_response_to				
http://purl.obolibrary.org/obo/nbo#is_about	is_about				
http://purl.obolibrary.org/obo/uberon/core#channels_from	channels_from				
http://purl.obolibrary.org/obo/uberon/core#channels_into	channels_into				
http://purl.obolibrary.org/obo/uberon/core#transitively_anteriorly_connected_to	transitively anteriorly connected to				
http://purl.obolibrary.org/obo/uberon/core#transitively_distally_connected_to	transitively distally connected to				
http://purl.obolibrary.org/obo/uberon/core#transitively_proximally_connected_to	transitively proximally connected to				
http://purl.obolibrary.org/obo/UPHENO_9000003	primary exhibited quality				
http://purl.obolibrary.org/obo/RO_0002464	helper property (not for use in curation)				
http://purl.obolibrary.org/obo/RO_0002487	relation between physical entity and a process or stage				
http://purl.obolibrary.org/obo/BSPO_0015001	finishes axis				
http://purl.obolibrary.org/obo/BSPO_0015007	starts axis				
http://purl.obolibrary.org/obo/BSPO_0015008	surface of				
http://purl.obolibrary.org/obo/CL_4030045	lacks_part				
http://purl.obolibrary.org/obo/RO_0002222	temporally related to				
http://purl.obolibrary.org/obo/CL_4030044	has_not_completed				
http://purl.obolibrary.org/obo/CL_4030046	lacks_plasma_membrane_part				
http://purl.obolibrary.org/obo/UPHENO_9000002	secondary affected entity				
http://purl.obolibrary.org/obo/RO_0002502	depends on				
http://purl.obolibrary.org/obo/RO_0015010	has relative magnitude				
http://purl.obolibrary.org/obo/UPHENO_9000001	primary affected entity				
http://purl.obolibrary.org/obo/uberon/core#channel_for	channel for				
http://purl.obolibrary.org/obo/uberon/core#protects	protects				
http://purl.obolibrary.org/obo/uberon/core#subdivision_of	subdivision of				
http://purl.obolibrary.org/obo/UPHENO_9000004	primary related entity				
http://purl.obolibrary.org/obo/fypo#output_of	output_of				
http://purl.obolibrary.org/obo/fypo#precedes	precedes				
http://purl.obolibrary.org/obo/GOREL_0002003	results in distribution of				
http://purl.obolibrary.org/obo/UPHENO_0000003	phenotype is associated with entity				
