part_of
part of
part of
terminal bouton
terminal button
cellular_component
Terminal inflated portion of the axon, containing the specialized apparatus necessary to release neurotransmitters. The axon terminus is considered to be the whole region of thickening and the terminal bouton is a specialized region of it.
bouton
NIF_Subcellular:sao187426937
synaptic bouton
GO:0043195
presynaptic bouton
axon terminus
presynapse