noun, Pharmacology.
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.


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    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.

  • Para-toluidine

    [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

    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.

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