part of part of midbrain tegmentum olivary pretectal nucleus nucleus of posterior commissure in lizards, this is the name of one of the two pretectal nuclei[ISBN:0471888893] HBA:9027 in hagfishes, this is the name of one of the two pretectal nuclei[ISBN:0471888893] PCom nucleus of the posterior commissure UMLS:C0175386 nucleus commissura posterior neuronames:511 nucleus commissuralis posterioris BAMS:PCom Darkshevich nucleus nucleus interstitialis of posterior commissure BAMS:PCN UBERON:0002711 nucleus of Darkschewitsch BAMS:NPC FMA:68463 BM:NPC MBA:634 BIRNLEX:1470 posterior commissure nucleus Darkshevich's nucleus nucleus of anterior commissure nucleus of optic tract brainstem nucleus posterior pretectal nucleus nucleus of midbrain tegmentum midbrain nucleus