Congenital absence of the gallbladder and cystic duct.
D001659:Biliary Tract / Q000002:abnormalities*; D003549:Cystic Duct; D004064:Digestive System; D005704:Gallbladder / Q000002:abnormalities*; D005705:Gallbladder Diseases; D006801:Humans
BILIARY TRACT/abnormalities; GALLBLADDER/abnormalities