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Calcitonin: A test that measures levels of calcitonin hormone in the blood.
Calcitonin: A peptide hormone, of which eight forms in five species are known; composed of 32 amino acids and produced by the parathyroid, thyroid, and thymus glands; its action is opposite to that of parathyroid hormone in that calcitonin increases deposition of calcium and phosphate in bone and lowers the level of calcium in the blood; its level in the blood is increased by glucagon and by Ca2+ and thus opposes postprandial hypercalcemia. SYN: thyrocalcitonin. [calci- + G. tonos, stretching, + -in]
Source: Stedman's Medical Spellchecker, © 2006 Lippincott Williams & Wilkins. All rights reserved.
Calcitonin: A hormone formed by the C cells of the thyroid gland. It helps maintain a healthy level of calcium in the blood. When the calcium level is too high, calcitonin lowers it.
Source: National Institute of Health
Calcitonin: a peptide hormone secreted by the parafollicular cells of the thyroid gland in response to hypercalcemia, which lowers blood calcium and phosphate by promoting renal excretion; chemotherapy for Paget's disease and severe hypercalcemia.
Source: Diseases Database
Calcitonin: a peptide hormone secreted by the parafollicular cells of the thyroid gland in response to hypercalcemia, which lowers blood calcium and phosphate by promoting renal excretion; chemotherapy for Paget's disease and severe hypercalcemia.
Source: CRISP
Calcitonin: A peptide hormone that lowers calcium concentration in the blood. In humans, it is released by thyroid cells and acts to decrease the formation and absorptive activity of osteoclasts. Its role in regulating plasma calcium is much greater in children and in certain diseases than in normal adults.
Source: MeSH 2007
Source: Diseases Database
Source - MeSH 2007
Source - MeSH 2007
Source - MeSH 2007
Source - CRISP
Source: CRISP
Source: CRISP
The following list attempts to classify Calcitonin into categories where each line is subset of the next.
Source: Diseases Database
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