thyroxine

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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.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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)]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

thyroxine

A hormone made in the thyroid that is important for growth and mental development.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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.
English-Spanish Medical Dictionary © Farlex 2012

thyroxine

n tiroxina
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
Mentioned in
References in periodicals archive
(7) Finally, the negative effect of the stomach on thyroxine absorption is demonstrated by studies on thyroxine absorption in humans, as it was noted that administration of the thyroxine dose directly into the jejunum causes an increased absorption because of bypassing the gastric part.
The animals of group III were given hormonal treatment with Thyroxine sodium tablets (Thyrox-25 (a)).
Within the first three months of W pregnancy, it's vital that you have enough of the hormone thyroxine, not only for you but for your baby.
" It took two years for doctors to diagnose Donna with hypothyroidism.e condition results from the thyroid gland being unable to make enough thyroxine, which causes many of the body's functions to slow down.
Hypothyroidism results from the thyroid gland being unable to make enough thyroxine hormones.
A gradual increase was found in thyroxine, free thyroxine and triiodothyronine during the first 12 h of activities, followed by a constant decrease for the rest of the course.
Levothyroxine treats hypothyroidism (underactive thyroid), in which the thyroid gland doesn't produce sufficient quantities of the hormone thyroxine. Thyroxine plays an important role in regulating many of the body's metabolic functions, and a deficiency typically results in uncomfortable symptoms inceluding lack of energy, weight gain, hair loss, and increased sensitivity to cold.
But his treatment methods using drugs thyroxine and Armour Thyroid courted controversy and resulted in conditions placed on his medical licence.
Next, a quote: "However, no studies have been published which demonstrate that hypothyroid patients treated with thyroxine are euthyroid [healthy thyroid function] when their serum TSH is within the reference range or, as it is more commonly referred to 'the normal range.' The use of serum TSH measurements to assess thyroid status in patients on thyroxine replacement could be considered as a classic example of the misapplication of a laboratory test."
Thyroxine should be taken on an empty stomach, ideally one hour before food or two hours after food.
Levothyroxine, a synthetic form of the thyroid hormone thyroxine, is usually prescribed for hypo-thyroidism.
older adults currently taking thyroxine replacement are at increased risk of bone fracture, compared with people who have not taken levothyroxine for 6 months or longer, Canadian researchers have found, with people currently taking more than 0.093 mg/day at the highest risk.
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