NCIt definition : The portion of the biliary tract outside the liver; the common hepatic duct joins
the cystic duct to form the common bile duct.;
Alternative definition : NCI-GLOSS: The part of the common hepatic bile duct (tube that collects bile from
the liver) that is outside the liver. This duct joins a duct from the gallbladder
to form the common bile duct, which carries bile into the small intestine when food
is being digested.; CDISC: The portion of the biliary tract outside the liver; the common hepatic duct
joins the cystic duct to form the common bile duct. (NCI);