pituitary gland

small oval endocrine gland attached to the brain which secretes hormones affecting growth and metabolism (Anatomy)

The pituitary gland, or hypophysis, is an endocrine gland about the size of a pea that sits in a small, bony cavity (sella turcica) covered by a dural fold (sellar diaphragm) at the base of the brain. The pituitary fossa, in which the pituitary gland sits, is situated in the sphenoid bone in the middle cranial fossa at the base of the brain.
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Pituitary gland n. A small, oval endocrine gland attached to the base of the vertebrate brain and consisting of an anterior and posterior lobe, the [more]Pituitary gland - Community and Resources

Noun
1. the master gland of the endocrine system; located at the base of the brain
(synonym) pituitary, pituitary body, hypophysis
(hypernym) endocrine gland, endocrine, ductless gland
(part-holonym) diencephalon, interbrain, betweenbrain, thalmencephalon
(part-meronym) hypophyseal stalk

The main endocrine gland; it produces hormones that control other glands and many body functions, especially growth.