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Unformatted text preview: active transport - primary, secondary reabsorption of Na, glucose, H 2 O, Cl, K, urea, bicarbonate K secretion H + "secretion" Na-HCO 3 co-transport regulation of renal function myogenic response juxtaglomerular apparatus, macula densa, granular cells tubulo-glomerular feedback (TGF) baroreceptor reflex change in width of filtration slits response to decrease in NaCl, extracellular fluid volume, blood pressure renin, angiotensinogen, angiotensin II, aldosterone atrial natriuretic peptide regulation of K secretion & Na reabsorption response to increased osmolarity (loss of hypotonic fluid) 2 water permeability aquaporins water permeability selectivity filter proton wires NKCC2 transporter counter-current multiplication AQP1, AQP2, AQP3 anti-diuretic hormone water movement in presence of anti-diuretic hormone movement of water at different locations along tubule urea how to make a more dilute urine diabetes insipidus how to make a more concentrated urine...
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- Winter '08