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A hormone, especially thyroxine or triiodothyronine, produced by the thyroid gland.
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.
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|Noun||1.||thyroid hormone - any of several closely related compounds that are produced by the thyroid gland and are active metabolically|
endocrine, hormone, internal secretion - the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect
calcitonin, thyrocalcitonin - thyroid hormone that tends to lower the level of calcium in the blood plasma and inhibit resorption of bone
tetraiodothyronine, thyroxin, thyroxine, T - hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells; "thyroxine is 65% iodine"
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