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calcitonin (KAL-sih-TOH-nin)

 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.

Previous Definitions:cachexia, CAD, cadmium, caffeine, calcification
Next Definitions:calcitriol, calcium, calcium carbonate, calcium gluconate, calcium levoleucovorin