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ch. 7 vocab urinary

ch. 7 urinary system vocab

arteriole small artery
bowman capsule cup-shaped like capsule surrounding each glomerulus
calyx or calix cup-like collecting region of the renal pelvis
catheter tube for injecting or removing fluids
cortex outer region
creatinine a waste product of muscle metabolism
electrolyte a chemical that carries an electrical charge in a solution
erythropoietin (EPO) a hormone secreted by the kidney to stimulate the production of red blood cells
filtration passive process whereby some substance, but not all, pass through a filter or other material
golmerulus tiny ball or capillaries in cortex of kidney
hilum depression or pit in that part of an organ where blood vessels and nerves enter and leave
kidney one of two bean-shaped organs located behind the abdominal cavity on either side of the backbone in the lumbar region
meatus opening canal
medulla inner region
micturition urination; act of voiding
nephron the combination of golmerulus and renal tubule where filtration, reabsorption, and secretion take place in the kidney
nitrogenous waste substance containing nitrogen and excreted in urine
potassium (K+) a salt (electrolyte) secreted from the bloodstream into the renal tubules to leave the body in urine
reabsorption in this process the renal tubules return materials necessary to the body back into the bloodstream
renal artery carries blood to the kidney
renal pelvis central collecting region in the kidney
renal tubule microscopic tube in the kidney where urine is formed after filtration
renal vein carries blood away from the kidney
renin an enzymatic hormone synthesized, stored, and secreted by the kidney
sodium (Na+) a salt regulated in the blood and urine by the kidneys
trigone triangular area in the bladder where the ureters enter and the urethra exits
urea major nitrogenous waste product excreted in urine
ureter tube leading from each kidney to the bladder
urethra tube leading from the bladder to the outside of the body
uric acid nitrogenous waste excreted in the urine
urinary bladder sac that holds urine
urination process of expelling urine; also called micturition
voiding emptying of urine from the urinary bladder
Created by: funnykitty24