explain about calcitonon
Answers
Answer:
Lowers calcium level in blood
Explanation:
➟Calcitonin is a polypeptide hormone which is made up of 32 amino acids.
➟It is secreted by the parafollicular cells of the thyroid gland.
➟It is secreted when the calcium level is above the normal range in the blood.
➟It lowers the calcium level in the blood by increasing the re-absorption of calcium in the bone, preventing the activity of osteoclasts and reducing the re-absorption of calcium in the kidneys and the intestines.
➟ In this way in control the calcium level in the blood.
Answer:
Calcitonin is a hormone secreted by the thyroid gland that has the effect of lowering calcium content in blood. Calcitonin is a 32 amino acid peptide hormone secreted by parafollicular cells (also known as C cells) of the thyroid gland.
The hormone participates in calcium (Ca2+) and phosphorus metabolism. In many ways, calcitonin counteracts parathyroid hormone (PTH) and vitamin D
Calcitonin was first purified in 1962 by Douglas Harold Copp and B. Cheney at the University of British Columbia. It was initially thought to be secreted by the parathyroid gland, but was later realized to be secreted by parafollicular cells of the thyroid gland.
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