Science, asked by KusumaShree, 3 months ago

Explain the concentration of glomerular filtrate​

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Answered by BrainlyTwinklingstar
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The flow of glomerular filtrate in the two limbs of Henle's loop and the flow of blood through the two limbs of vasa recta are in counter current pattern.

\bigstar The proximity between the Henle’s loop and vasa recta and the counter current in them maintains higher osmolarity towards the inner medullary interstitium than in the cortex.

\bigstar This gradient is mainly caused by NaCl and urea.

\bigstar NaCl is transported by the ascending limb of Henle's loop which is exchanged with the descending limb of vasa recta.

\bigstar NaCl is returned to the interstitium by the ascending portion of vasa recta.

\bigstar Similarly, 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.

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