part of part of develops from develops from midbrain midbrain tectum http://upload.wikimedia.org/wikipedia/commons/c/cf/Gray685.png EHDAA2:0004474 NCIT:C12460 t. mesencephali mesencephalic tectum BAMS:MTec BTO:0001793 FMA:83902 UBERON:0002314 BAMS:Tec The tectum - a multisensory, topologically mapped structure in the roof of the midbrain presents a remarkable degree of conservation in all vertebrate radiations; although it varies in the extent of its development in different vertebrate classes, there is considerable evidence now to deem its layered structure, its cell types, and its hodological pattern as homologous in all vertebrates.[well established][VHOG] EMAPA:19051 HBA:9101 Wikipedia:Midbrain_tectum VHOG:0001388 BIRNLEX:1032 DHBA:12291 tectum mesencephali TAO:0001353 UMLS:C0039433 tectum neuronames:465 BM:MB-Tec MAT:0000451 SCTID:362394008 MA:0000211 tectum of midbrain tectum mesencephalicum EFO:0000920 In adult humans it is present only in the mesencephalon as the inferior and the superior colliculi Dorsal part of the midbrain, consisting of the superior and inferior colliculi and the pretectal nuclei (MM). neuraxis tectum regional part of brain neural tube alar plate