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| Symbol: Te; atomic weight: 127.60; atomic number: 52 |
| Symbol: Mn; atomic weight: 54.9380; atomic number: 25 |
thyroxine thy·rox·ine (thī-rŏk'sēn', -sĭn) or thy·rox·in (-rŏk'sĭn)
n.
Abbr. T4
An iodine-containing hormone that is produced by the thyroid gland, increases the rate of cell metabolism, regulates growth, and is made synthetically for treatment of thyroid disorders.
| thyroxine (thī-rŏk'sēn', -sĭn) Pronunciation Key
An iodine-containing hormone secreted by the thyroid gland that increases the rate of cell metabolism and regulates growth. Thyroxine can also be made synthetically for treatment of hypothyroidism. |