Homo sapiens tube bile duct http://upload.wikimedia.org/wikipedia/commons/5/5d/Digestive_system_showing_bile_duct.png (...) the amphibian liver has characteristics in common with both fish and terrestrial vertebrates. (...) The histological structure of the liver is similar to that in other vertebrates, with hepatocytes arranged in clusters and cords separated by a meshwork of sinusoids and the presence of the traditional triad of portal venule, hepatic arteriole, and bile duct.[well established][VHOG] bile tube EMAPA:35171 biliary duct Any of the ducts that form the biliary tree, carrying bile from the liver to the small intestine. CALOHA:TS-0075 MA:0000354 UMLS:C0005400 EV:0100091 Wikipedia:Bile_duct A duct that carries bile from the liver to the intestine. SCTID:276157007 GAID:280 AAO:0011019 gall duct ZFA:0001100 MESH:D001652 UBERON:0002394 hepatic duct FMA:9706 XAO:0000134 VHOG:0000212 TAO:0001100 NCIT:C12376 BTO:0000122 we place the ZFA class here as this fits its textual definition and child nodes. We may recommend a label change for ZFA Any of the excretory ducts in the liver that convey bile between the liver and the intestine. [TFD][VHOG] digestive system duct endoderm-derived structure