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Chapter 7 Chabner
Vocabulary
| Term | Definition |
|---|---|
| arteriole | Small artery |
| calyx or calix | Cuplike collecting region of the renal pelvis; the term comes from the Greek, kalux, meaning a cup or case surrounding a flower bud |
| catheter | Tube for injecting or rcortexemoving fluids |
| cortex | Outer region of an organ |
| creatinine | Nitrogenous waste excreted in urine |
| cystitis | inflammation of the urinary bladder |
| electrolyte | Chemical element that carries an electrical charge when dissolved in water. |
| etythropoietin (EPO) | Hormone secreted by the kidney to stimulate production of red blood cells by bone marrow; -poietin means a substance that forms. |
| filtration | Process whereby some substances pass through a filter |
| glomerular capsule | Enclosing structure surrounding each glomerulus; also called Bowman capsule |
| glomerulus | Tiny ball of capillaries in the kidney |
| hilum | Depression in the part of an organ where blood vessels and nerves enter and leave; comes from the Latin meaning a small thing |
| hydronephrosis | Condition of excess fluid (water) in the kidney |
| kidney | One of two bean -shaped organs that filter nitrogenous waste from the bloodstream to form urine |
| meatus | Opening or canal |
| medulla | Inner region of an organ; the term comes from the Latin, medulla, meaning marrow |
| nephron | The functional unit of the kidney where filtration, reabsorption, and secretion take place |
| nitrogenous waste | Substance containing nitrogen and excreted in urine; examples are urea, uric acid, and creatinine |
| potassum (K+) | An electrolyte regulated by the kidney |
| reabsorption | Renal tubules return materials necessary to the body back into the bloodstream |
| renal artery | Blood vessel that carries blood to the kidney |
| renal pelvis | Central collection region in the kidney |
| renal tubules | Mircroscopic tubes in the kidney where urine is formed after filtration |
| renal vein | Blood vessel that carries blood away from the kidney |
| renin | Hormone secreted by the kidney that raises blood pressure |
| sodium (Na+) | An electrolyte regulated in the blood and urine by the kidneys; a common form of sodium is sodium chloride (salt) |
| trigone | Triangular area in the urinary bladder |
| urea | Major nitrogenous waste excreted in urine |
| ureter | One of two tubes leading from the kidneys to the urinary bladder |
| urethra | Tube leading from the urinary bladder to the outside of the body |
| uric acid | Nitrogenous waste product excreted in the urine |
| urinary bladder | Hollow, muscular sac that holds and stores urine |
| urination (voiding) | Process of expelling urine; also called micturition |
Created by:
JCA
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