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A 39-year-old member asked:

how can blood calcium be regulated, and how are our bones affected in the process?

1 doctor answer2 doctors weighed in
Dr. Ahmad M Hadied
Orthopedic Surgery 49 years experience
Three company: Parathyroid hormone, it raises the levels of calcium in the blood through multiple pathways. The effect of the hormone calcitonin, which the c cells of your thyroid gland secrete, opposes that of parathyroid hormone. It decreases the levels of calcium in your blood by increasing the deposition of calcium in the bones. Vitamin d causes absorption of calcium from the intestine.

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Last updated Dec 10, 2013

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