Ureterovesical junction and acquired vesicoureteral reflux.
D000328:Adult; D002648:Child; D006801:Humans; D009092:Mucous Membrane; D009130:Muscle, Smooth; D014513:Ureter / Q000033:anatomy & histology; D001743:Urinary Bladder / Q000033:anatomy & histology; D014718:Vesico-Ureteral Reflux / Q000209:etiology*