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  2. Thyroid hormones - Wikipedia

    en.wikipedia.org/wiki/Thyroid_hormones

    The thyroid system of the thyroid hormones T 3 and T 4 [1] Thyroid hormones are two hormones produced and released by the thyroid gland, triiodothyronine (T 3) and thyroxine (T 4). They are tyrosine-based hormones that are primarily responsible for regulation of metabolism. T 3 and T 4 are partially composed of iodine, derived from food. [2]

  3. Thyroxine - Wikipedia

    en.wikipedia.org/wiki/Thyroxine

    It is the primary form of thyroid hormone found in the blood and acts as a prohormone of the more active thyroid hormone, triiodothyronine (T 3). [1] Thyroxine and its active metabolites are essential for regulating metabolic rate , supporting heart and muscle function , promoting brain development , and maintaining bone health .

  4. Thyroid - Wikipedia

    en.wikipedia.org/wiki/Thyroid

    The thyroid, or thyroid gland, ... a concentrated solution of thyroglobulin and is the site of synthesis of the thyroid hormones thyroxine (T4) ...

  5. Thyroid function tests - Wikipedia

    en.wikipedia.org/wiki/Thyroid_function_tests

    Thyroid function tests (TFTs) is a collective term for blood tests used to check the function of the thyroid. [1] TFTs may be requested if a patient is thought to suffer from hyperthyroidism (overactive thyroid) or hypothyroidism (underactive thyroid), or to monitor the effectiveness of either thyroid-suppression or hormone replacement therapy.

  6. Thyroid-stimulating hormone - Wikipedia

    en.wikipedia.org/wiki/Thyroid-stimulating_hormone

    Thyroid-stimulating hormone (also known as thyrotropin, thyrotropic hormone, or abbreviated TSH) is a pituitary hormone that stimulates the thyroid gland to produce thyroxine (T 4), and then triiodothyronine (T 3) which stimulates the metabolism of almost every tissue in the body. [1]

  7. Common thyroid drug levothyroxine linked to bone mass loss - AOL

    www.aol.com/lifestyle/common-thyroid-drug-levo...

    This in turn causes the thyroid to produce T3 and T4, which play a role in the aforementioned processes. Low levels of thyroid hormones can lead to symptoms including fatigue, weight gain, cold ...