Source:http://linkedlifedata.com/resource/umls/id/C0004788
MSH: A group of nerve cells in the substantia innominata that has wide projections to the neocortex and is rich in acetylcholine and choline acetyltransferase. In Parkinson and Alzheimer diseases the nucleus undergoes degeneration.,FMA: Subdivision of telencephalon which is actually several islands of neurons lying within the substantia innominata, located ventral to the basal ganglia and anterior to the hypothalamus.