Urachal abnormalities.
D000038:Abscess; D000328:Adult; D002648:Child; D003560:Cysts; D004240:Diverticulum; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D014497:Urachus / Q000002:abnormalities*; D001745:Urinary Bladder Diseases; D014567:Urography