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skos:definition |
NCI: 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.,NCI: Encoded by human CALCA Gene (Calcitonin Family), 32-aa 3.4-kD secreted Calcitonin polypeptide hormone is cleaved from a large polyprotein precursor synthesized by thyroid parafollicular 'C' cells. Opposite to the effect of PTH, Calcitonin induces a rapid drop in blood calcium and phosphate level by promoting bone incorporation. (NCI)
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