Congenital hypertrophy of the verumontanum causing bladder-neck obstruction.
D006801:Humans; D006984:Hypertrophy; D008297:Male; D011467:Prostate; D014521:Urethra / Q000002:abnormalities*; D001745:Urinary Bladder Diseases; D001748:Urinary Bladder Neck Obstruction
BLADDER/diseases; URETHRA/abnormalities