neural nucleus substantia innominata magnocellular nucleus of stria terminalis EMAPA:37666 BAMS:MA magnocellular nucleus MBA:521 uberon neuronames:3220 UBERON:0007627 MA:0000928 the magnocellular nucleus projects to virtually all known major parts of the brain network that controls pelvic functions, including micturition, defecation, and penile erection, as well as to brain networks controlling nutrient and body water homeostasis. This and other evidence suggests that the magnocellular nucleus is part of a corticostriatopallidal differentiation modulating and coordinating pelvic functions with the maintenance of nutrient and body water homeostasis[PMID:16304682] .