oculomotor nuclear complex pretectal region red nucleus substantia nigra pars reticulata parvocellular oculomotor nucleus nucleus of brain ventral tegmental nucleus ventral tegmental area cuneiform nucleus nucleus cuneiformis area parabigeminalis (Mai) parabigeminal area (mai) MBA:616 uberon HBA:9020 DMBA:16777 cunieform nucleus FMA:231327 cuneiform nucleus (Castaldi) UMLS:C0175396 BIRNLEX:1430 UBERON:0002696 neuronames:502 FMA:72427 BM:MB-CNF CnF BAMS:CUN DHBA:12240 BAMS:CnF trochlear nucleus substantia nigra pars lateralis central gray substance of midbrain