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32 Cards in this Set

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Bowman capsule
Enclosing structure surrounding ea glomerulus
calyx or calix (plural: calycs or calices)
cup-like collecting region of the renal pelvis
catheter
tube for injecting or removing fluids
cortex
outer region; the renal cortex is the outer region of the kidney (cortical means pertaining to the cortex)
creatinine
Waste product of muscle metabolism; nitrogenous waste excreted in urnine. Creatine clearance is a measure of dfficiency of the kidneys in removing creatinine from the blood
electrolyte
Chemical element carries an electrical charge when dissolved in water. Essential to cellular function & transmission of impulses in nerve & muscle fibers
erythropoietin (EPO)
hormone secreted by kidney to stimulate production of red blood cells by bone marrow
filtration
passive process whereby some substances pass through a filter or other material
glomerulus
tiny ball of capillaries in cortex of kidney
hilum
depression or hollow in part of an organ where blood vessels & nerves enter & leave
kidney
one of two bean-shaped organs behind the abdominal cavity on either side of the backbone in the lumbar region
meatus
opening or canal
medulla
inner region; renal medulla is inner region of kidney
micturition
urination; the act of voiding
nephron
comb of glomerulus & renal tubule where filation reabsorption & secretion take place in kidney. functional unit of the kidney, ea capable of forming urine by itself. about 1 million nephrons in a kidney
nitrogenous waste
substance containing nitrogen & excreted in urine
potassium (K+)
electrolyte important to body processes. kidney regulates balance in blood
reabsorption
renal tubules return materials necessary to body back to bloodstream
renal artery
blood vessel, carries blood to kidney
renal pelvis
central collecting region in kidney
renal tubule
microscopic tube in kidney in which urine is formed after filtration
renal vein
blood vessel that carries blood away from the kidney & toward the heart
renin
enzymatic hormone synthesized, stored, and secreted by the kidney; raises blood pressure
sodium (Na+)
electrolyte regulated in blood & urine by kidneys
trigone
triangular area in urinary bladder where ureters enter & urethra exits
urea
major nitrogenous waste product excreted in urnie
ureter
tube leading from ea kidney to the urinary bladder
urethra
tube leading from urinary bladder to outside of the body
uric acid
nitrogenous waste excreted in urine
urinary bladder
hollow muscular sac that holds & stores urine
urination
process of expelling urine; also called micturition
voiding
emptying or urine from the urinary bladder; urination or micturition