Entrance of the common bile duct into the apex of a duodenal diverticulum.
D001652:Bile Ducts; D003135:Common Bile Duct / Q000002:abnormalities*; D004240:Diverticulum; D004386:Duodenum / Q000002:abnormalities*; D006801:Humans
BILE DUCT, COMMON/abnormalities; DUODENUM/abnormalities