Complete valve of the ureter:  congenital urethral valves.
D000013:Congenital Abnormalities; D006801:Humans; D008297:Male; D014513:Ureter / Q000002:abnormalities*; D014521:Urethra / Q000002:abnormalities*; D014522:Urethral Diseases
ABNORMALITIES; URETERS/abnormalities; URETHRA/abnormalities