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15 Cards in this Set
- Front
- Back
Afferent arteriole
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carries blood to glomerulus
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Glomerulus
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a tuft of capillaries that filters a protein-free plasma into the tubular component
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efferent arteriole
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carries blood from the glomerulus
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peritubular capillaries
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supply the renal tissue; involved in exchanges with fluid in the tubular lumen
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justaglomerular apparatus
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produces substances involved in the control of kidney function.
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bowman's capsule
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collects glomerular filtrate
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proximal tubule
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uncontrolled reabsorption an secretion of selected substances occurs here
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loop of henle
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establishes an osmotic gradient in the renal medulla that is important in the kidney's ability to produce urine of varying concentration
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distal tubule and collecting duct
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variable, controlled reabsorption of Na+ and water and secretion of K+ and H+ occur here; fluid leaving the collecting duct is urine, which enters the renal pelvis
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Glomerular Filtration
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nondiscriminant filtration of protein-free plasma from the glomerulus into bowman's capsule
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Tubular Reabsorption
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selective movement of filtered substances from the tubular lumen into the peritubular capillaries
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Tubular Secretion
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Selective movement of nonfiltered substances from the peritubular capillaries into the tubular lumen
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glomerular capillary blood pressure
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fluid pressure exerted by the blood within the glomerular capillaries
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plasma-colloid osmotic pressure
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caused by the unequal distribution of plasma proteins across the glomerular membrane
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bowman's capsule hydrostatic pressure
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the pressure exerted by fluid in this initial part of the tubule
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