The Pyramids of the Medulla

Once once we've hit the end of the collecting duct, no more. We don't reclaim any more of this fluid or electrolytes or substances. Whatever's present in the tube at the end is going to be p. Yeah. And most of those pyramids, so when you look at the pyramids in the medulla, it has kind of a striated or stripe like, and that's because of what reason. You don't know. I'll forget it.