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33 Cards in this Set
- Front
- Back
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arteriole
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small artery
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Bowman capsule
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enclosing structure surrounding each glomerulus
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calyx or calix (plural: calyces or calices)
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cup-like collecting region of the renal pelvis
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catheter
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tube for injecting or removing fluids
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cortex
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outer region
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creatinine
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waste product of muscle metabolism; nitrogenous waste excreated in urine
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electrolyte
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chemical element that carries an electrical charge when dissolved in water
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erythropoietin (EPO)
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a hormone secreted by the kidney to stimulate the production of red blood cells by bone marrow
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filtration
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passive process whereby some substances, but not all, pass through a filter or other material
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glomerulus (plural: glomeruli)
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tiny ball of capillaries (microscopic blood vessels) in cortex of kidney
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hilum
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depression or hollow in that part of an organ where blood vessels and nerves enter and leave
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kindey
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one of two bean-shaped organs behind the abdominal cavity on either side of the backbone in the lumbar region
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meatus
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opening or canal
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medulla
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inner region; the renal medulla is the inner region of the kidney
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micturition
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urination; the act of voiding
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nephron
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combination of glomerulus and renal tubule where filtration, reabsorption and secretion take place in the kidney
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nitrogenous waste
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substance containing nitrogen and excreted in urine
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potassium (K+)
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an electrolyte important to body processes. the kidney regulates the balance of potassium concentration within the blood
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reabsorption
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renal tubules return to materials necessary to the body back into the bloodstream
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renal artery
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blood vessel that carries blood to the kidney
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renal pelvis
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central collecting region in the kidney
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renal tubule
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microscopic tube in the kidney in which urine is formed after filtration
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renal vein
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blood vessel that carries blood away from the kidney and toward the heart
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renin
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an enzymatic hormone sythesized, stored, and secreted by the kidney; raises blood pressure by influencing vasoconstriction (narrowing of blood vessels)
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sodium (Na+)
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an electrolyte regulated in the blood and urine by the kidneys
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trigone
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triangular area in the urinary bladder in whick the uterers enter and the urethra exits
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urea
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major nitrogenous waste product excreted in urine
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ureter
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tube leading from each kidney to the urinary bladder
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urethra
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tube leading from the urinary bladder to the outside of the body
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uric acid
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a nitrogenous waste excreted in the urine
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urinary bladder
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hallow muscular sac that holds and stores urine
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urination
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process of expelling urine; also called micturition
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voiding
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emptying of urine from the urinary bladder; urination or micturition
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