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- (...TEH-truh-i-oh-doh-THY-roh-neen) A hormone that is made by the thyroid gland and contains iodine. L-3,5,5'-tetraiodothyronine increases the rate of chemical reactions in cells and helps control growth and development. L-3,5,5'-tetraiodothyronine can also be made in the laboratory and is used to treat thyroid disorders. Also called T4, thyroxin, and thyroxine.
National Cancer Institute - Cite This Source - This Definition
- growth hormone, L-3,5,5\'-tetraiodothyronine, T4, thyroxin, thyroxine