Pituitary Gland

The pituitary gland is about the size of a pea, situated almost exactly in the center of the head at the base of the brain and just behind the root of the nose. It hangs suspended from the underside of the brain like a cherry from the limb of a tree. It is grayish yellow in color. In the adult it weighs about five grains, or 1/1400 of a pound.

Its name is derived from the Latin word, "pituita", because it was supposed to secret a fluid which lubricated the throat. It was believed that the secretion filtered through the porous ethnoid bone that intervenes between the pituitary body and the nasal cavity.

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