The role of the external sphincter.
D006801:Humans; D008297:Male; D009130:Muscle, Smooth / Q000502:physiology*; D011183:Postoperative Complications; D011468:Prostatectomy; D011859:Radiography; D014521:Urethra / Q000033:anatomy & histology / Q000000981:diagnostic imaging / Q000502:physiology* / Q000503:physiopathology / Q000601:surgery; D001750:Urinary Bladder, Neurogenic / Q000503:physiopathology / Q000601:surgery; D014550:Urinary Incontinence, Stress; D014554:Urination