Which segment of the renal system allows the passage of small amounts of urea?

Which segment of the renal system allows the passage of small amounts of urea?
  1. Henle's loop
  2. Vasa recta
  3. Collecting tubule
  4. Proximal Convoluted Tubule

Solution

Small amounts of urea enter the thin segment of the ascending limb of Henle's loop which is transported back to the interstitium by the collecting tubule.

Asked in: NCERT

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