The thyroid is a small, butterfly-shaped gland located at the front of your neck, sort of like an internal bowtie. Part of the endocrine system, your thyroid produces and secretes the hormones T4 and T3. These essential hormones regulate growth, development, and metabolism.[1] A Closer Look at Thyroid Function The thyroid consists of two lobes joined together by a narrow band of thyroid tissue called the isthmus. These lobes are themselves made up of many small lobules joined together with connective tissue. On a cellular level, the thyroid is made… Continue Reading


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