脑下垂体
Hypophysis \Hy*poph"y*sis\, n. [NL., fr. Gr. ? under + ? nature, origin.] 1. (Anat.) See {Pituitary body}, under {Pituitary}. 2. (Med.) Cataract.
hypophysis n : the master gland of the endocrine system; located at the base of the brain [syn: {pituitary}, {pituitary gland}, {pituitary body}] [also: {hypophyses} (pl)]