part of part of extends_fibers_into neural nucleus ventral horn of spinal cord sacral spinal cord ventral column pudendal nerve nucleus of spinal cord nucleus of pudendal nerve FMA:257031 FMA:77024 Wikipedia:Onuf%27s_nucleus A nucleus in the ventral part of the anterior horn of the sacral region of the spinal cord that is the origin of the pudendal nerve. Onuf's nucleus nucleus of Onuf neuronames:2701 pudendal neural nucleus UBERON:0022278