Calcitonin is produced by
Show Hint
- Follicular cells of the thyroid gland
- Parafollicular cells of the thyroid gland
- Parathyroid gland
- Follicular cells of the ovary
The Correct Option is B
Solution and Explanation
Calcitonin is a peptide hormone secreted by the parafollicular cells (C cells) of the thyroid gland. Its primary function is to regulate blood calcium levels by inhibiting osteoclast activity, thereby reducing bone resorption and lowering calcium concentrations in the bloodstream. This hormone is particularly important in preventing hypercalcemia.
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