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



Review Date: 4/21/2006
Reviewed By: A.D.A.M. Medical Illustration Team. Previously reviewed by Nancy J. Rennert, M.D., Endocrinology, Yale University School of Medicine, New Haven, CT. Review provided by VeriMed Healthcare Network (4/19/2004).