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Author Question: __________ is a condition characterized by the necrosis and degeneration of the cartilaginous ends ... (Read 198 times)

ereecah

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on: Jun 25, 2018
__________ is a condition characterized by the necrosis and degeneration of the cartilaginous ends of the epiphyses from the interference in blood supply.
 
  Fill in the blank(s) with correct word

Question 2

What two mechanisms prevent the backflow of urine into the ureters?
 
  What will be an ideal response?


kalskdjl1212

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Reply #1 on: Jun 25, 2018
Answer to Question 1

Avascular necrosis

Answer to Question 2

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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