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35 Cards in this Set
- Front
- Back
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Renin
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Hormone secreted by the kidney that raises blood pressure
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Erythroprotein
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hormone secreted by the kidney to stimulate production of red blood cells by bone marrow
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Voiding
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process of expelling urine; micturition, urination
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Renal Arteries
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blood vessel that carries blood to the kidney
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Hilum
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depression in the part of an organ where blood vessels and nerves enter and leave
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Glomerulus
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tiny ball of capillaries in the kidney
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Glomerular capsule
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enclosing structure surrounding each glomerulus
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Renal Tubules
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microscopic tubes in the kidney where urine is formed after filtration
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First step in the formation of urine
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Glomerular filtration
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Second step in the formation of urine
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tubular reabsorption
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Third step in the formation of urine
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Tubular secretion
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Nephron
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the functional unit of the kidney where filtration, reabsorption, and secretion take place
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1,000,000
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Amount of nephrons are in a kidney
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Renal Pelvis
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central collection region in the kidney
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Calyces; calices
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small, cup-like regions of the renal pelvis
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Arteriole
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small artery
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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 of an organ
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creatinine
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nitrogenous waste excreted 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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filtration
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process whereby some substances pass through a filter
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kidney
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one of two bean-shaped organs which filter nitrogenous waste from the bloodstream to form urine
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meatus
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opening or canal
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medulla
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inner region of an organ
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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 regulated by the kidney
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Reabsorption
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renal tubules return materials necessary to the body back into the bloodstream
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Renal vein
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blood vessel that carries blood away from the kidney
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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
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urea
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major nitrogenous waste excreted in urine
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ureter
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one of two tubes leading from the kidneys 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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nitrogenous waste product excreted in the urine
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urinary bladder
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hollow, muscular sac that holds and stores urine
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