Congenital valvular formation of the posterior urethra.
D006059:Gonadal Dysgenesis; D006801:Humans; D008297:Male; D013733:Testicular Diseases; D013737:Testis / Q000002:abnormalities*; D014521:Urethra / Q000002:abnormalities*
TESTES/abnormalities; URETHRA/abnormalities