The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories (ftp://ftp.informatics.jax.org/pub/reports/index.html). For more information about these ontologies, see the MGI Publications Page at http://www.informatics.jax.org/mgihome/other/publications.shtml.
any structural anomaly of the two canals (left and right) that collect and drain bile from the left and right half of the liver from the biliary ductules and join external to the liver to form the common hepatic duct
Comment:
Note that part of the hepatic ducts are located within the liver and part is extrahepatic.