part of part of capable of part of capable of part of pupillary light reflex Myxiniformes Monotremata 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 in hagfishes, there are two: the pretectal nucleus and the nucleus of the posterior commissure[ISBN:0471888893] neuronames:468 Any of the groups of neurons located between the thalamus and midbrain that receive binocular sensory input from retinal ganglion cells of the eyes and are responsible for maintaining the pupillary light reflex FMA:72401 nucleus area pretectalis SCTID:416164009 see notes for pretectal region. Note this is midbrain in FMA, midbrain (mesencephalon) in HBA, midbrain in DHBA UMLS:C0175358 UBERON:0002994 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. Christopher J. Mungall