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Reabsorption is minimum in

Option: 1

PCT


Option: 2

DCT


Option: 3

Ascending limb of the loop of Henle


Option: 4

Descending limb of the loop of Henle


Answers (1)

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Revision Concept: Functions of Renal Tubules -

Henle’s Loop:

  • Reabsorption is minimum in its ascending limb. However, this region plays a significant role in the maintenance of high osmolarity of medullary interstitial fluid.
  • The descending limb of the loop of Henle is permeable to water but impermeable to electrolytes. 
  • This concentrates the filtrate as it moves down. 
  • The ascending limb is impermeable to water but allows transport of electrolytes actively or passively. 
  • Therefore, as the concentrated filtrate passes upward, it gets diluted due to the passage of electrolytes to the medullary fluid.


 

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Reabsorption is minimum in its ascending limb. However, this region plays a significant role in the maintenance of high osmolarity of medullary interstitial fluid. Hence the correct option is ascending limb of Henle's loop

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Gaurav

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