Kidneysendocrine

Kidneysendocrine - Kidneys Nephrons - Single long tubule...

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Kidneys Nephrons - Single long tubule associated with 3 unique capillaries ----Study movement of blood through nephrons Filtration – pressure filtering of body fluids At Glomerulus – Increased blood pressure pushes all small solutes (filtrate out: non-selective) Filtrate Collection by nephron : @ bowman’s capsule Pathway and processing of the filtrate >>>>> Reabsorbtion – Reclaiming valuable solutes / water back into capillaries >>>>>>>> All long the nephron Proximal Tubule – Descending part of loop (loss of h2O) – Ascending part of loop (loss of nacl) – Distal tubule (adding H+) – Colllection duct – Secretion Secretion -adding toxins and other solutes to the filtrate Active transport Proximal and distal tubule Excretion Removing the filtrate urine form the system The Kidney forms concentrated (hypersomotic) urine
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Countercurrent multiplier system – Descending does water Ascending does salts, causes gradient which help with absorption -Requires Energy -Maintains changing osmolarity gradients in interstitial fluids
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This note was uploaded on 04/08/2008 for the course BIOLOGY 112 taught by Professor Pritchard during the Spring '08 term at CofC.

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Kidneysendocrine - Kidneys Nephrons - Single long tubule...

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