part of part of pretectal region nucleus of brain pretectal nucleus UBERON:0014450 BAMS:PTA DHBA:12182 nucleus of the pretectal area pretectal nucleus pretectal area nucleus nucleus of pretectal area BIRNLEX:864 neuronames:468 FMA:72401 nucleus area pretectalis SCTID:416164009 pretectal nucleus UMLS:C0175358 HBA:9083 EMAPA:37919 A neural nucleus of the pretectal area (between dorsal thalamus and optic tectum) that receives afferents primarily from the retina and the optic tectum and are involved in modulating motor behavior in response to visual input.