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  2. Thyroid hormones - Wikipedia

    en.wikipedia.org/wiki/Thyroid_hormones

    Structure of (S)-thyroxine (T 4) (S)-triiodothyronine (T 3, also called liothyronine) Most people are treated with levothyroxine, or a similar synthetic thyroid hormone. [ 15 ] [ 16 ] [ 17 ] Different polymorphs of the compound have different solubilities and potencies. [ 18 ]

  3. Triiodothyronine - Wikipedia

    en.wikipedia.org/wiki/Triiodothyronine

    The compound migrated close to thyroxine in chromatography and they initially named it 'unknown 1' . Around that time a group led by Jean Roche in Paris described a deiodinating activity in the sheep thyroid gland, raising the possibility that 'unknown 1' is the less iodinated analogue of T4, triiodothyronine. [24]

  4. Thyroid follicular cell - Wikipedia

    en.wikipedia.org/wiki/Thyroid_follicular_cell

    Thyroid follicular cells (also called thyroid epithelial cells or thyrocytes [1]) are the major cell type in the thyroid gland, and are responsible for the production and secretion of the thyroid hormones thyroxine (T 4) and triiodothyronine (T 3).

  5. Thyroid - Wikipedia

    en.wikipedia.org/wiki/Thyroid

    The follicular lumen is filled with colloid, a concentrated solution of thyroglobulin and is the site of synthesis of the thyroid hormones thyroxine (T4) and triiodothyronine (T3). [16] Parafollicular cells. Scattered among follicular cells and in spaces between the spherical follicles are another type of thyroid cell, parafollicular cells. [4]

  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. Thyroxine-binding globulin - Wikipedia

    en.wikipedia.org/wiki/Thyroxine-binding_globulin

    Thyroxine-binding globulin (TBG) is a globulin protein encoded by the SERPINA7 gene in humans. TBG binds thyroid hormones in circulation.It is one of three transport proteins (along with transthyretin and serum albumin) responsible for carrying the thyroid hormones thyroxine (T 4) and triiodothyronine (T 3) in the bloodstream.

  8. Thyroglobulin - Wikipedia

    en.wikipedia.org/wiki/Thyroglobulin

    The colloid is subsequently cleaved by proteases to release thyroglobulin from its T3 and T4 attachments. [ 8 ] The active forms of thyroid hormone: T3 and T4, are then released into circulation where they are either unbound or attached to plasma proteins, and thyroglobulin is recycled back into the follicular lumen where it can continue to ...

  9. Hypothalamic–pituitary–thyroid axis - Wikipedia

    en.wikipedia.org/wiki/Hypothalamic–pituitary...

    The pituitary gland secretes thyrotropin (TSH; Thyroid Stimulating Hormone) that stimulates the thyroid to secrete thyroxine (T4) and, to a lesser degree, triiodothyronine (T3). The major portion of T3, however, is produced in peripheral organs, e.g. liver, adipose tissue, glia and skeletal muscle by deiodination from