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Meaning of parathyroid hormone

parathy'roid hor"mone

Pronunciation: [key]
— Biochem., Physiol. Biochem.,Physiol.
  1. a polypeptide hormone, produced in the parathyroid glands, that helps regulate the blood levels of calcium and phosphate. Abbr.: PTH
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.