part of part of capable of part of capable of part of pupillary light reflex pretectal region nucleus of brain pretectal nucleus FMA:72401 UBERON:0014450 BAMS:PTA SCTID:416164009 DHBA:12182 nucleus of the pretectal area pretectal nucleus pretectal area nucleus nucleus of pretectal area UBERON:0002994 BIRNLEX:864 HBA:9083 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.