thyroxine

(redirected from L-thyroxine)
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Related to L-thyroxine: hypothyroidism, L-tyrosine

thy·rox·ine

 (thī-rŏk′sēn′, -sĭn) also thy·rox·in (-rŏk′sĭn)
n. Abbr. T4
An iodine-containing hormone, C15H11I4NO4, produced by the thyroid gland, that increases the rate of cell metabolism and regulates growth. A synthetic form is used in the treatment of thyroid disorders.

thyroxine

(θaɪˈrɒksiːn; -sɪn) or

thyroxin

n
(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
[C19: from thyro- + oxy-2 + -ine2]

thy•rox•ine

(θaɪˈrɒk sin, -sɪn)

also thy•rox•in

(-sɪn)

n.
a hormone of the thyroid gland that regulates the metabolic rate of the body: preparations of it used for treating hypothyroidism.
[1915–20; thyr- + ox- + in (dol) e (orig. thought to be a chemical component)]

thyroxine

A hormone made in the thyroid that is important for growth and mental development.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.thyroxine - hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells; "thyroxine is 65% iodine"
thyroid hormone - any of several closely related compounds that are produced by the thyroid gland and are active metabolically
Translations

thy·rox·ine

, thyroxin
n. tiroxina, hormona producida por la tiroides que contiene yodo; se obtiene sintéticamente de la tiroides de animales y se usa en el tratamiento de hipotiroidismo.

thyroxine

n tiroxina
References in periodicals archive ?
Treatment is with l-thyroxine and in most cases it has to be continued for life.
Further growth of nodules shown to be nonmalignant by fine-needle aspiration biopsy can be suppressed by L-thyroxine therapy for a year, followed by another ultrasound scan.
5% reported thyroid disease, thyroid surgery, and/or use of thyroid medications (12 used L-thyroxine and 1 used thyrostatic drugs), and 61.
We found that patients with the highest antibody titers had the highest occurrence of postpartum thyroid dysfunction, and that these women frequently required treatment with L-thyroxine, whereas those women with low titers rarely had biochemical abnormalities or symptoms.
The infant was started on L-thyroxine 25 [micro]g(7 mg/kg) by mouth daily, at 4 1/2 weeks.
The stock solution containing 10 [micro]mol/L L-thyroxine was prepared as follows: 38.
It had been shown that although pure solutions of either D- or L-thyroxine exhibit no CD at 255-400 rim, each of these enantiomers exhibits a distinct induced CD spectrum in the presence of HSA (17, 18).
3] in patients receiving L-thyroxine therapy, perhaps reflecting conversion of [T.
Determination of lodothyronine Absorption and Conversion of L-Thyroxine (T4) to (L-Triiodothyronine (T3) using Turnover Rate Techniques.