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Thyroid gland

Thyroid gland

Overview

The thyroid gland, a part of the endocrine (hormone) system, plays a major role in regulating the body's metabolism.

Review Date 1/29/2026

Updated by: Warren Brenner, MD, Oncologist, Lynn Cancer Institute, Boca Raton, FL. 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.