The countercurrent mechanism functions in the
A) nephron.
B) renal corpuscle.
C) glomerulus.
D) loop of Henle.
E) filtration unit.

Question

Quizplus · Accepted Answer

The countercurrent mechanism refers to the flow of filtrate in the opposite direction in the ascending and descending limbs of the loop of Henle. This mechanism creates a concentration gradient that allows for the reabsorption of water and ions, and is a key function of the nephron in regulating urine concentration.

The Countercurrent Mechanism Functions in the