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rahrah23 rahrah23
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Posts: 768
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6 years ago
What two mechanisms prevent the backflow of urine into the ureters?
 
  What will be an ideal response?
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wrote...
6 years ago
Ureters enter the bladder at an angle such that as the bladder contracts, the muscles of the bladder compress the ureters like a one-way valve. Second, the ureteral openings in the bladder are partially covered by folds of mucosa that also help prevent the retrograde flow of urine.
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