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Pituitary Gland

The pituitary gland is composed of two lobes: The anterior pituitary (adenohypophysis) and the posterior pituitary (neurohypophysis). The pituitary gland is functionally linked to the hypothalamus by the pituitary stalk (also named the "infundibular stalk", or simply the "infundibulum")[1]. It is from the hypothalamus that hypothalamic releasing factors are released to descend down the pituitary stalk and to the pituitary gland where they stimulate the release of pituitary originating hormones. While the pituitary gland is known as the 'master' endocrine gland, both of its lobes are under the control of the hypothalamus. Glands that are controlled/affected by the pituitary gland's released hormones are called 'target glands'.

There is an analogous structure in the octopus brain.[1]


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thumb|300px|right|Pituitary Gland

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