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par·a·thy·roid hor·mone (PTH),[MIM*168450]
a peptide hormone formed by the parathyroid glands; it raises the serum calcium levels when administered parenterally by causing bone resorption, reducing renal clearance of calcium and increasing efficiency of calcium absorption in the intestine. It acts in conjunction with calcitonin and other hormones.
n.pr a brand name for parathyroid hormone.