The loop of Henle dips into the renal cortex. Which statement best explains the advantage of this feature for osmoregulation in terrestrial vertebrates?
A) absorptive processes taking place in the loop of Henle are hormonally regulated
B) differential permeabilities of ascending and descending limbs of the loop of Henle are important in establishing an osmotic gradient
C) the loop of Henle plays an important role in detoxification
D) additional filtration takes place along the loop of Henle

Question

Quizplus · Accepted Answer

The loop of Henle, by having different permeabilities in its ascending and descending limbs, creates a counter-current multiplier system that is crucial for establishing an osmotic gradient in the kidney. This gradient allows for the reabsorption of water and solutes, which is essential for osmoregulation in terrestrial vertebrates, helping them conserve water and excrete waste efficiently.

The Loop of Henle Dips into the Renal Cortex