Health Topics
Official websites use .gov
A
.gov website belongs to an official government
organization in the United States.
Secure .gov websites use HTTPS
A
lock (
) or https:// means you’ve safely connected to
the .gov website. Share sensitive information only on official,
secure websites.
- Go to slide 1 out of 5
- Go to slide 2 out of 5
- Go to slide 3 out of 5
- Go to slide 4 out of 5
- Go to slide 5 out of 5
Overview
The thyroid gland, a part of the endocrine (hormone) system, plays a major role in regulating the body's metabolism.
Review Date 3/31/2024
Updated by: Debra G. Wechter, MD, FACS, General Surgery Practice Specializing in Breast Cancer, Virginia Mason Medical Center, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.