part of part of in taxon Rodentia midbrain brainstem nucleus midbrain nucleus anterior tegmental nucleus DMBA:17008 BAMS:AT MA:0001055 MBA:231 A group of cells located ventral to the decussation of the superior cerebellar peduncle in the mouse ( Paxinos-2001 ) and rat ( Swanson-1998 ). EMAPA:37416 UBERON:0010036 BAMS:ATg neuronames:1115