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Overview
The 4 parathyroid glands are located near or attached to the back side of the thyroid gland. The parathyroid glands secrete a hormone that controls blood levels of calcium.
Review Date 9/30/2024
Updated by: Jonas DeMuro, MD, Diplomate of the American Board of Surgery with added Qualifications in Surgical Critical Care, Assistant Professor of Surgery, Renaissance School of Medicine, Stony Brook, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.