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Hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells
Answer for the clue "Hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells ", 9 letters:
thyroxine
Word definitions for thyroxine in dictionaries
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Thyroid \Thy"roid\, a. [Gr. qyreoeidh`s shield-shaped; qyreo`s a large, oblong shield (from qy`ra a door) + e'i^dos form: cf. F. thyro["i]de, thyr['e]o["i]de.] Shaped like an oblong shield; shield-shaped; as, the thyroid cartilage. (Anat.) Of ...
Wiktionary
Word definitions in Wiktionary
n. (context hormone English) A hormone (an iodine derivative of tyrosine), produced by the thyroid gland, that regulates cell metabolism and growth.
WordNet
Word definitions in WordNet
n. hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells; "thyroxine is 65% iodine" [syn: thyroxin , tetraiodothyronine , T ]
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
active principle of the thyroid gland, 1915, from thyro- , comb. form of thyroid , + oxy- (apparently a reference to the oxygen atom present in it, but OED has it as a shortening of oxy-indol ) + chemical suffix -ine (2), denoting an amino acid.
Usage examples of thyroxine.
The most unusual point about the structure of the thyroxine molecule is the fact that it contains four iodine atoms, symbolized in the formula above by I.
For that reason, iodine makes up about 63 per cent of the weight of the thyroxine molecule.
The thyroxine molecules are then united with other, more common amino acids and stored as the large thyroglobulin molecule.
At need, the thyroxine content of the thyroglobulin is stripped off and sent out into the bloodstream.
For some thirty-five years after the discovery of thyroxine, it was considered the thyroid hormone.
Yet what is it that thyroxine, tri-iodothyronine, and possible related compounds do to bring about such changes?
As with the corticoids and with thyroxine, there is an interplay between the various sex hormones and the pituitary.
He was given injections of thyroxine and adrenalin--and changed rapidly into a pituitary giant.
The thyroxine molecules are then united with other, more common amino acids and stored as the large thyroglobulin molecule.
CONADOTROPHINS As with the corticoids and with thyroxine, there is an interplay between the various sex hormones and the pituitary.