Medical Definition of Parathyroid hormones

1. Polypeptide hormones (84 amino acid residues) secreted by the parathyroid glands, which promote release of calcium from bone to extracellular fluid by activating osteoblasts and inhibiting osteoclasts, indirectly promote increased intestinal absorption of calcium, and promote renal tubular reabsorption of calcium and increased renal excretion of phosphates. It is a major regulator of bone metabolism. Secretion of parathyroid hormone increases when the level of calcium in the extracellular fluid is low. Its action is opposed by calcitonin. (12 Dec 1998)



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Lexicographical Neighbors of Parathyroid Hormones

paratheatrical
parathesis
parathetic
parathion
parathion poisoning
parathions
parathormone
parathormones
parathymia
parathyrin
parathyroid
parathyroid gland
parathyroid glands
parathyroid hormone
parathyroid hormonelike protein
parathyroid hormones (current term)
parathyroid osteosis
parathyroid tetany
parathyroidectomies
parathyroidectomy
parathyroids
parathyroprival tetany
parathyrotropic
paratonia
paratonias
paratonic
paratope
paratopes
paratose

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