thyroxine (redirected from free thyroxine)

thy·rox·ine  (th-rksn, -sn) also thy·rox·in (-rksn)

n.

An iodine-containing hormone, C₁₅H₁₁I₄NO₄, produced by the thyroid gland, that increases the rate of cell metabolism and regulates growth and that is made synthetically for treatment of thyroid disorders.

---

[thyr(o)- + ox(y)- + in(dole).]

---

thyroxine [θaɪˈrɒksiːn -sɪn], thyroxin [θaɪˈrɒksɪn]

n

(Life Sciences & Allied Applications / Biochemistry) the principal hormone produced by the thyroid gland: it increases the metabolic rate of tissues and also controls growth, as in amphibian metamorphosis. It can be synthesized or extracted from the thyroid glands of animals and used to treat hypothyroidism. Chemical name: tetra-iodothyronine; formula: C₁₅H₁₁I₄NO₄

[from thyro- + oxy-² + -ine²]

---

thyroxine  (th-rksn, -sn)

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.

Thesaurus

Noun

1.

thyroxine - hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells; "thyroxine is 65% iodine" tetraiodothyronine, thyroxin, T thyroid hormone - any of several closely related compounds that are produced by the thyroid gland and are active metabolically