[The continence mechanism. 1. Functional urethral length necessary for continence].
D000818:Animals; D004285:Dogs; D005260:Female; D066298:In Vitro Techniques; D008297:Male; D014521:Urethra / Q000033:anatomy & histology / Q000502:physiology*; D014549:Urinary Incontinence / Q000503:physiopathology; D014554:Urination