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Triiodothyronine
hormone

Triiodothyronine

hormone
Alternative Titles: 3,5,3′-triiodothyronine, L-triiodothyronine, T3

Learn about this topic in these articles:

characteristics of hormones

  • Prozac
    In therapeutics: Hormones

    hormones include thyroxine and triiodothyronine, which regulate tissue metabolism. Natural desiccated thyroid produced from beef and pork and the synthetic derivatives levothyroxine and liothyronine are used in replacement therapy to treat hypothyroidism that results from any cause.

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diagnosis of hyperthyroidism

  • In hyperthyroidism: Diagnosis of hyperthyroidism

    two thyroid hormones, thyroxine and triiodothyronine, with the former being produced in much greater quantities than the latter. Thyroid hormones exist in two forms, one of which is bound to several proteins, and the other of which, a very small amount, is free. Thus, serum thyroxine can be measured as…

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function in human endocrine system

secretion by thyroid gland

  • Human thyroid gland.
    In thyroid gland: Anatomy of the thyroid gland

    …thyroid hormones thyroxine (T4) and triiodothyronine (T3). The hormones are then released, passing from the cells into the circulation.

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  • Many important physiological functions of vertebrates are controlled by steroid hormones.
    In hormone: Biosynthesis

    -triiodothyronine, are formed by the addition of iodine to an amino acid (tyrosine) component of a glycoprotein called thyroglobulin. Thyroglobulin is stored within the gland in follicles as the main component of a substance called the thyroid colloid. This arrangement, which provides a reserve of…

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