Lesson 1
Selective Reabsorption - Introduction
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Professor Saltzman continues his description of nephron anatomy, and the specific role of each part of the nephron in establishing concentration gradients to help in secretion and reabsorption of water, ions, nutrients and wastes. A number of molecular transport processes that produces urine from the initial ultra-filtrate, such as passive diffusion by concentration difference, osmosis, and active transport with sodium-potassium ATPase, are listed. He describes a method to measure glomerular filtration rate using tracer molecule, inulin. Professor Saltzman, W. Mark. BENG 100, Frontiers of Biomedical Engineering, Spring 2008. Yale OpenCourseWare: Biomedical Engineering, Accessed 14/9/14 http://oyc.yale.edu/biomedical-engineering/beng-100/lecture-17 License: Creative Commons BY-NC-SA

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