A | B |
Renal pelvis | funnel-shaped structure at the beginning of the ureter |
Medulla | Inner striated layer of the kidney |
Cortex | composed of millions of microscopic nephrons |
Nephron | functional unit of kidney |
Ureters | Smooth muscle tube with mucous membrane lining |
Urinary bladder | Hollow muscular organ made of elastic fibers and involuntary muscle |
Urethra | Connects bladder with urinary meatus |
Urinary meatus | opening to body where urine is excreted |
Excretion | removing nitrogenous wastes, certain salts and excess water from blood. |
Filtration | First step in urine formation |
Reabsorption | Water (90%) and useful substances are reabsorbed |
Secretion | Opposite of reabsorption, transports substances from blood into collecting tubules |
Average urinary output | 1500 ml/day |
Urinalysis | examination of urine to determine presence of blood cells, bacteria, acidity level, specific gravity and physical characteristics |
Ureters | Carry urine from kidney to bladder |
Urinary bladder | Stores urine usually about 500 cc |
Renal calculi | kidney stones, made of calcium and uric acid crystals |
Lithotripsy | Surgical procedure to remove kidney stones |
Nephritis | infection or inflammation of the kidney |
Cystitis | Bladder infection, usually caused by E. Coli bacteria |
Incontinence | involuntary urination |
Dialysis (hemodialysis) | Treatment for kidney failure |
Kidney transplant | As a last resort to treat kidney failure |
Enuresis | bedwetting |
Glycosuria | sugar in urine |
Nocturia | frequent urination at night |
Polyuria | large amounts of urine |
Pyuria | pus in urine |
Anuria | no urine |
Dysuria | painful urination |
Hematuria | blood in urine |
Diuretic | a drug or substance that increases the amount of urine secreted |