duct is the final section of the canal responsible for the elimination of bile. It comes from the joining of the cystic duct from the gallbladder and the common bile duct from the intrahepatic bile ducts. It transports bile to the intestine at the duodenum. In the case of formation of stones, they may eventually block the bile duct: when the bile duct is blocked, bile can no longer flow and this causes pain in the biliary colic
. In case of inflammation associated with an infection of the bile duct, it is called cholecystitis
which requires surgical management.