Although the thyroid gland releases the hormones which govern growth and metabolism, the brain (the hypothalamus and the pituitary gland) regulates the thyroid's activity.
Reviewed last on: 4/29/2009
Deborah Wexler, MD, Assistant Professor of Medicine, Harvard Medical School, Endocrinologist, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.