In human kidneys,which substances are mainly | vedclass

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(B) The osmolarity gradient in the medullary interstitial fluid of the human kidney is primarily maintained by two substances: $NaCl$ and urea.$NaCl$

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$NaCl$ and urea

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(B) The osmolarity gradient in the medullary interstitial fluid of the human kidney is primarily maintained by two substances: $NaCl$ and urea.$NaCl$ is transported by the ascending limb of the loop of Henle,which is exchanged with the descending limb of the vasa recta.Urea is transported back to the interstitium by the collecting duct.This mechanism,known as the counter-current mechanism,helps in concentrating the urine.

In human kidneys,which substances are mainly responsible for creating the osmolarity gradient of the medullary interstitial fluid?

Similar Questions

The Loop of Henle is primarily responsible for the reabsorption of which of the following?

If the kidneys fail to reabsorb water,what will be the effect on the tissues?

The human kidneys produce urine that is approximately .......... times more concentrated than the initial filtrate.

The main function of the loop of Henle is

Assertion : In the descending limb of the loop of Henle,the urine is hypertonic,whereas in the ascending limb of the loop of Henle,the urine is hypotonic.
Reason : The descending limb is impermeable to sodium,while the ascending limb is impermeable to water.

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