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Dictionary

cal•ci•to•nin

Pronunciation: (kal"si-tō'nin), [key]
—n. Biochem.
a polypeptide hormone that participates in the regulation of calcium levels in vertebrates by inhibiting loss of calcium from bone to the blood.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

calcite

calcitriol

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