parathyroid hormone

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 tetanyAlso called: parathormone (ˌpærəˈθɔːməʊn)

n.

1. A peptide hormone produced by the parathyroid glands that regulates the amount of calcium in the body.parathyrin