The simple columnar or cuboidal epithelium lining the extrahepatic biliary ducts is derived from
liver gall bladder and biliary apparatus develop from an endodermal diveiculum that arises from ventral aspect of terminal forgut The epithelium lining the extrahepatic biliary ducts is derived from endoderm. The intrahepatic biliary ducts are also derived from endoderm.
Mesoderm
Endoderm
Ectoderm
Neuroectoderm
Embryology and abdominal wall layer