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Dictionary of Cancer Terms

View in Spanish: Calcitonina

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.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.