lec24-25 - a hormone involved with salt and water balance h...

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KIN 205: Chapter 19, The Kidneys: Tubuloglomerular feedback: h fluid flow in the distal tubule influences GFR. h The distal tubule passes between the afferent and efferent arterioles at the Juxtaglomerular Apparatus, JGA (combination of the macula densa and juxta- glomerular cells). The JG cells are modified to produce Renin,
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Unformatted text preview: a hormone involved with salt and water balance. h When fluid flow increases in the distal tubule as a result of an increase in GFR the macula densa cells send a signal to the afferent arteriole to contract thereby reducing GFR. (Signal may involve NaCl) B. Filtration, Reabsorption, Secretion, Excretion...
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