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.
Diane M. Horowitz, MD, Rheumatology and Internal Medicine, Northwell Health, Great Neck, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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