Parathyroid glands

The four parathyroid glands are located at the front and base of the neck around the thyroid gland and produce parathyroid hormone. Parathyroid hormone regulates calcium and phosphorus balance in the blood by maintaining a balance between the mineral levels in the blood and the bone.

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Review Date: 12/22/2010
Reviewed By: Harvey Simon, MD, Editor-in-Chief, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital.

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