The musculature of the bladder and the urethra.
D005260:Female; D006801:Humans; D008297:Male; D009130:Muscle, Smooth / Q000033:anatomy & histology; D014521:Urethra / Q000033:anatomy & histology*; D001743:Urinary Bladder / Q000033:anatomy & histology*; D014621:Vagina / Q000033:anatomy & histology