-Known as the master gland
-Its secretions  tend to affect  all other endocrine glands
-Below the hypothalamus
Located below the hind part of the forebrain
-Anterior part is derived from up growth of the buccal cavity/hypophysis
-And the posterior part from a down growth of the brain called the INFINDIBULUM close to the brain
-Produces large number of both general and specific hormones e.g the growth hormone, thyrotrophic ,pancreotrophic hormone, gonadotrophic hormone.