The adenohypophysis has six secretive cells types, including corticotrophin, lactoroph, somatotroph, gonadotropin, thyrotrophiu and melanophore-stimulating cell.

• 腺垂体的分泌细胞有促肾上腺皮质激素（ACTH）细胞、催乳激素（PRL）细胞、生长激素（STH）细胞、促性腺激素（GTH）细胞、促甲状腺激素（TSH）细胞和促黑色素（MSH）细胞六种。