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What is the osmolarity of the filtrate at the hairpin bend of loop of Henle?

Option: 1

300 mOsmL-1


Option: 2

1200 mOsmL-1


Option: 3

600 mOsmL-1


Option: 4

800 mOsmL-1


Answers (1)

best_answer

 

MECHANISM OF CONCENTRATION OF THE FILTRATE -

This gradient is mainly caused by NaCl and urea. NaCl is transported by the ascending limb of Henle’s loop which is exchanged with the descending limb of vasa recta. NaCl is returned to the interstitium by the ascending portion of vasa recta.

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 Correct option is 2

 

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