Adaptive test — questions are selected based on your ability estimate. — Tag: LoopHenleCountercurrent
In the loop of Henle, the descending limb contains aquaporin-1 water channels and is freely permeable to water but not to solutes, while the ascending limb is impermeable to water but actively reabsorbs solutes. Based on this differential permeability, how does tubular fluid change as it passes through the loop?