Skeleton with thyroid gland and text bubble saying a review of healthy thyroid function: anatomy and physiology

This introductory article is one of many in-depth articles on thyroid function and focuses on normal thyroid anatomy and physiology. Learn more about hypothyroid, hyperthyroidism and testing by clicking the links. Basic Physiology and Anatomy The most important anatomical structures are shown in the image below: The hypothalamus creates a hormone called thyrotropin-releasing hormone (TRH).…

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