1. a hormone secreted by the anterior pituitary gland that controls the degree of pigmentation in melanocytes; [syn: melanocyte-stimulating hormone, MSH]
WordNet (r) 3.0 (2006):
MSH
n 1: a hormone secreted by the anterior pituitary gland that
controls the degree of pigmentation in melanocytes [syn:
melanocyte-stimulating hormone, MSH]