![](https://webarchive.library.unt.edu/eot2008/20081107030038im_/http://www.cancer.gov/images/spacer.gif) |
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(KAL-sih-TOH-nin)
![](https://webarchive.library.unt.edu/eot2008/20081107030038im_/http://www.cancer.gov/images/spacer.gif)
| 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 |
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