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ch. 7 vocab urinary
ch. 7 urinary system vocab
| vocab | meaning |
|---|---|
| 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
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