The Deluding Segment in the Kidney

i like to call this section the concentrating segment, because it's making the medolla concentrated and then allows you to make concentrate urin later. This is the first of a number of deluding segments in the kidney, which is essential for creating dilute urine. On the descending limb, it is permeable to sodium and chloride, and it is permeability to water so very similar what we've been doing in the proximate tubule. But now it's just thin, and we don't have any at active transport at all. It's all passive on the descending limb. And then we turn the corner at the apex,. We're still totally passive, but now no more reabsor