The thin descending limb of the nephron loop is permeable to water, and not very permeable to solutes, in order to increase the concentration of the filtrate as it reaches the bottom of the
loop.

Question

Quizplus · Accepted Answer

The thin descending limb of the nephron loop is permeable to water, allowing water to be reabsorbed into the surrounding tissue, which increases the concentration of the filtrate as it descends.

The Thin Descending Limb of the Nephron Loop Is Permeable