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par·a·thy·roid hor·mone (PTH),

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.
Synonym(s): parathormone, parathyrin
References in periodicals archive ?
Clinical performance of a parathyrin immunoassay with dynamically determined reference values.
Performance and diagnostic application of a two-site immunoradiometric assay for parathyrin in serum.
Falsely normal values of intact parathyrin in serum of patients with mild primary hyperparathyroidism?