Calcitonin
a polypeptide hormone that participates in the regulation of calcium levels in vertebrates by inhibiting loss of calcium from bone to the blood.
noun
a hormone secreted by the thyroid that inhibits the release of calcium from the skeleton and prevents a build-up of calcium in the blood Also called thyrocalcitonin Compare parathyroid hormone
calcitonin
(kāl’sĭ-tō’nĭn)
A peptide hormone secreted by the thyroid gland that stimulates bone formation and lowers blood calcium and phosphate levels.
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a silver-white divalent metal, occurring combined in limestone, chalk, gypsum, etc., occurring also in vertebrates and other animals, as a component of bone, skeletal mass, shell, etc., and as a necessary element in nerve conduction, heartbeat, muscle contraction, and many other physiological functions. Symbol: Ca; atomic weight: 40.08; atomic number: 20; specific gravity: 1.55 at […]
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