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<span class="tumorshead">Pituitary Tumors</span> <p>A pituitary tumor, or pituitary adenoma, is a growth that most often appears in the front portion of the pituitary gland. The pituitary gland is a small, bean-shaped organ that sits at the base of the brain, behind the bridge of the nose. The pituitary gland is connected to the hypothalamus of the brain by a stem, or stalk. This gland secretes hormones such as prolactin, growth hormones, and adrenocorticotropic hormones that control or regulate certain functions of the body, including sexual development, bone growth, muscle growth, and the ability to control stress and fight disease. A healthy pituitary gland will release the secretions into the bloodstream and provide feedback to the hypothalamus, which regulates pituitary hormone responses in accordance with the body's needs.</p>
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