Question:
Calcitonin is secreted by the __________.
Calcitonin is secreted by the __________.
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Calcitonin is made by the C cells of one particular gland in the neck.
Updated On: Nov 12, 2026
- parathyroid gland
- thyroid gland
- thymus gland
- adrenal medulla
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept
Calcitonin is a peptide hormone that lowers blood calcium.
Step 2: Source
It is made by the parafollicular (C) cells of the thyroid gland.
Step 3: Why the others fail
The parathyroid makes parathormone, which raises blood calcium. The thymus makes thymosins and the adrenal medulla makes adrenaline.
Final Answer:
Calcitonin is secreted by the thyroid gland. \[ \boxed{\text{(B) }\text{thyroid gland}} \]
Calcitonin is a peptide hormone that lowers blood calcium.
Step 2: Source
It is made by the parafollicular (C) cells of the thyroid gland.
Step 3: Why the others fail
The parathyroid makes parathormone, which raises blood calcium. The thymus makes thymosins and the adrenal medulla makes adrenaline.
Final Answer:
Calcitonin is secreted by the thyroid gland. \[ \boxed{\text{(B) }\text{thyroid gland}} \]
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