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Unformatted text preview: Loop of Henle Establishes Na+ concentration gradient which "extracts" H 2 O from urine (by osmosis) as it descends through this gradient in the collecting ducts. Distal Tubule Similar to Proximal Tubule. Hormonally regulated K+ secretion and H 2 O recovery. Collecting Duct "Descends" from cortex, through medulla, emptying into Renal Pelvis. "Descends" through increasing Na+ concentration H 2 O removed by Osmosis. Final urine is what drips out of collecting duct....
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This note was uploaded on 11/05/2011 for the course BIOLOGY MCB2010 taught by Professor Jessicadigirolamo during the Fall '10 term at Broward College.
- Fall '10