| A | B |
| Anuria | An absence of urine due to failure of kidney function or to an obstruction in a urinary pathway. |
| Bacteriuria | Bacteria in the urine. |
| Cystectomy | The surgical removal of the urinary bladder. |
| Cystitis | An inflammation of the urinary bladder. |
| Cystoscope | An instrument used for visual examination of the interior of the urinary bladder. |
| Cystotomy | An incision of the wall of the urinary bladder. |
| Diuresis | An increased excretion of urine. |
| Diuretic | A substance that causes an increased production of urine. |
| Dysuria | Painful or difficult urination. |
| Enuresis | Uncontrolled urination. |
| Hematuria | Blood in the urine. |
| Incontinence | An inability to control urination and/or defecation reflexes. |
| Nephrectomy | The surgical removal of a kidney. |
| Nephrolithiasis | The presence of a stone or stones in the kidney. |
| Nephroptosis | A movable or displaced kidney. |
| Oliguria | A scanty output of urine. |
| Polyuria | An excessive output of urine. |
| Pyelolithotomy | The removal of a stone from the renal pelvis. |
| Pyelonephritis | An inflammation of the renal pelvis. |
| Pyelotomy | An incision into the renal pelvis. |