a rare prolactin- and growth hormone-producing pituitary adenoma composed of ultrastructurally monomorphic cells with both somatotrophic and lactotrophic differentiation.
mam·mo·so·ma·to·troph cell ade·no·ma
(mam'ō-sō-mat'ō-trōph sel ad'ĕ-nō'mă) A rare prolactin-producing and growth hormone-producing pituitary adenoma comprising ultrastructurally monomorphic cells with both somatotrophic and lactotrophic differentiation.