| A | B |
| The functional microscopic unit of the kidney | Nephron |
| Dysuria | Difficulty urinating |
| Oliguria | Decreased urine output |
| Polyuria | Increased urine output |
| Nocturia | Awakening during the night to urinate |
| Enuresis | Uncontrolled voiding |
| Urgency | Urge to void but inability to do so |
| Phimosis | Narrowing of the preputial opening of foreskin |
| Hypospadias | Urinary meatus mislocated on the lower shaft |
| Hydronephrosis | Distension of the renal pelvis |
| Urethritis | Infection of the urethra |
| Cystitis | Inflamation of the bladder |
| Pylonephritis | Infection of the kidney & renal pelvis |
| Bacteriuria | Bacteria in the urine |
| Ureteritis | Infection of the ureters |
| Vesicoureteral reflux | Backward flow of urine into ureters |
| Hydrocele | Excessive amount of fluid in the sac surrounding testicle |