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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 6/14/2018

Updated by: Brent Wisse, MD, Associate Professor of Medicine, Division of Metabolism, Endocrinology & Nutrition, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.