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Definition of 'thyroxine'

Random House Webster's College Dictionary

1. (n.) thyroxine
a hormone of the thyroid gland that regulates the metabolic rate of the body: preparations of it used for treating hypothyroidism.

Etymology: (1915–20; thyr - +ox - +in (dol )e (orig. thought to be a chemical component))

Definition of 'thyroxine'

Princeton's WordNet

1. (noun) thyroxine, thyroxin, tetraiodothyronine, T
hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells
"thyroxine is 65% iodine"

Definition of 'thyroxine'

U.S. National Library of Medicine

1. thyroxine
The major hormone derived from the thyroid gland. Thyroxine is synthesized via the iodination of tyrosines (MONOIODOTYROSINE) and the coupling of iodotyrosines (DIIODOTYROSINE) in the THYROGLOBULIN. Thyroxine is released from thyroglobulin by proteolysis and secreted into the blood. Thyroxine is peripherally deiodinated to form TRIIODOTHYRONINE which exerts a broad spectrum of stimulatory effects on cell metabolism.

'thyroxine' - Nearby Entries
thyrotropin thyrotropin-releasing factor thyrotropin-releasing hormone thyroxin thyroxine thyrse thyrsopteris elegans

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