thyroid hormone

/ˌθaɪˈrɔɪd ˌhɔrˈmoʊn/

Other forms: thyroid hormones

Definitions of thyroid hormone

1. noun

   any of several closely related compounds that are produced by the thyroid gland and are active metabolically
   types:

   calcitonin, thyrocalcitonin

   thyroid hormone that tends to lower the level of calcium in the blood plasma and inhibit resorption of bone

   T, tetraiodothyronine, thyroxin, thyroxine

   hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells

   T, liothyronine, triiodothyronine

   thyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantity; exerts the same biological effects as thyroxine but is more potent and briefer

   type of:

   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