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A member asked:
Can you tell me how could the parathyroid hormone decrease the loss of calcium from the kidneys?
A doctor has provided 1 answer
Calcium reabsorption: Hi. We filter a lot of our blood calcium into the urine, but the body can't afford to lose that (along with many other filtered goodies), so the kidneys have evolved means to regulate reabsorption out of the urinary filtrate back into the bloodstream. PTH binding to the PTH receptor (cAMP mechanism) activates calcium transporters in the distal tubule so the calcium is recovered.
Answered 7/13/2014
3.9k views
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