The mechanics of the urethra and of micturition.
D003558:Cystoscopy; D005260:Female; D006801:Humans; D008297:Male; D011187:Posture; D011312:Pressure; D012212:Rheology; D014521:Urethra / Q000502:physiology*; D014546:Urinary Catheterization; D014554:Urination