an aqueous preparation obtained from the parathyroid gland of cattle, used in medicine chiefly in cases of parathyroid deficiency and in veterinary medicine in the treatment of tetanic convulsions.
noun, Biochemistry, Physiology. 1. a polypeptide hormone, produced in the parathyroid glands, that helps regulate the blood levels of calcium and phosphate. Abbreviation: PTH. noun 1. 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 (ˌpærəˈθɔːməʊn) […]
- Parathyroid tetany
parathyroid tetany n. Tetany following surgical injury to or excision of the parathyroid glands. Also called parathyroprival tetany.
[par-uh-tuh-loo-i-deen, -din] /ˌpær ə təˈlu ɪˌdin, -dɪn/ noun, Chemistry. 1. a white, flaky, lustrous, very slightly water-soluble solid, C 7 H 9 N, the para isomer of toluidine, used in the manufacture of dyes, in organic synthesis, and as a reagent in tests for nitrite, lignin, and phloroglucinol.
parathyrotropic par·a·thy·ro·trop·ic (pār’ə-thī’rō-trŏp’ĭk, -trō’pĭk) or par·a·thy·ro·troph·ic (-trŏf’ĭk, -trō’fĭk) adj. Influencing the activity or growth of the parathyroid glands.