Pituitary glandDefinition (http://en.wikipedia.org/wiki/Pituitary_gland) In vertebrate anatomy the pituitary gland, or hypophysis, is an endocrine gland about the size of a pea and weighing 5 grams (0.18 oz) in humans. It is not a part of the brain. It is a protrusion off the bottom of the hypothalamus at the base of the brain, and rests in a small, bony cavity (sella turcica) covered by a dural fold (diaphragma sellae). (Wikipedia) Preferred Units: N/A Scope Note: N/A This term is used for the following terms: Hypophysis
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