derives from/develops from bile duct bile duct epithelium cholangiocarcinoma cell An adenocarcinoma arising from the epithelium of the intrahepatic bile ducts, composed of eosinophilic cuboidal or columnar epithelial cells arranged in tubules or acini with abundant fibrous stroma; mucus may be secreted but not bile. BTO:0001326 BrendaTissueOBO bile duct cancer cell bile duct carcinoma cell biliary duct cancer cell