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calcitonin

[kal-si-toh-nin]
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noun Biochemistry.
  1. a polypeptide hormone that participates in the regulation of calcium levels in vertebrates by inhibiting loss of calcium from bone to the blood.
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Origin of calcitonin

First recorded in 1960–65; calci- + tone + -in2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for calcitonin

calcitonin

noun
  1. a hormone secreted by the thyroid that inhibits the release of calcium from the skeleton and prevents a build-up of calcium in the bloodAlso called: thyrocalcitonin Compare parathyroid hormone
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Word Origin

C20: from calci- + ton (ic) + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

calcitonin in Medicine

calcitonin

(kăl′sĭ-tōnĭn)
n.
  1. A peptide hormone, produced by the thyroid gland in humans, that acts to lower plasma calcium and phosphate levels without augmenting calcium accretion.thyrocalcitonin
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

calcitonin in Science

calcitonin

[kăl′sĭ-tōnĭn]
  1. A peptide hormone secreted by the thyroid gland that stimulates bone formation and lowers blood calcium and phosphate levels.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.