What is the descending limb of the nephron loop permeable to?
Understand the Problem
The question is asking about the permeability of the descending limb of the nephron loop, a key structure in the kidney responsible for urine concentration. Essentially, what substance can readily pass through the walls of this specific part of the nephron?
Answer
The descending limb of the nephron loop is permeable to water.
The descending limb of the nephron loop is permeable to water. It allows water to pass through its walls into the surrounding tissue, concentrating the filtrate as it moves down the loop.
Answer for screen readers
The descending limb of the nephron loop is permeable to water. It allows water to pass through its walls into the surrounding tissue, concentrating the filtrate as it moves down the loop.
More Information
The permeability of the descending limb to water is crucial for concentrating urine. As water exits, the concentration of solutes within the filtrate increases.
Tips
A common mistake is to confuse the permeability of the descending and ascending limbs of the loop of Henle. The descending limb is permeable to water, while the ascending limb is less permeable to water but permeable to ions.
Sources
- Solved the descending limb of the nephron loop - Chegg - chegg.com
- The descending limb of the nephron loop is relatively impermeable... - pearson.com
- Descending limb of loop of Henle - Wikipedia - en.wikipedia.org
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