parathyroid hormone(redirected from parathyrin)
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n. Abbr. PTH
A hormone produced by the parathyroid glands that regulates the amount of calcium and phosphorus in the body.
(Biochemistry) the hormone secreted by the parathyroid glands that controls the level of calcium in the blood: a deficiency of the hormone often results in tetany. Also called: parathormone
a polypeptide hormone, produced in the parathyroid glands, that helps regulate the blood levels of calcium and phosphate. Abbr.: PTH
(or parathormone) A hormone that controls blood calcium level. It is produced by the parathyroid glands.
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|Noun||1.||parathyroid hormone - hormone synthesized and released into the blood stream by the parathyroid glands; regulates phosphorus and calcium in the body and functions in neuromuscular excitation and blood clotting|