Bile DuctsEpitheliumPancreatic DuctsBile Ducts, ExtrahepaticWolffian DuctsBile Ducts, IntrahepaticBile Duct NeoplasmsBile Duct DiseasesCommon Bile DuctKidney Tubules, CollectingUreterCholangiocarcinomaHepatic Duct, CommonCholedochal CystCholangiographySemicircular CanalsEpithelial CellsCholestasisCholangiopancreatography, Endoscopic RetrogradeLiverCholangitisCholangiopancreatography, Magnetic ResonanceEpididymisPalladiumImmunohistochemistryBiliary FistulaBiliary Tract DiseasesCholelithiasisThoracic DuctBiliary AtresiaChloridesGallstonesCystic DuctPancreatic NeoplasmsSalivary DuctsKidneyEpithelium, CornealRNA, MessengerCholecystectomyConstriction, PathologicRadioisotopesCatheterizationMullerian DuctsSeminiferous EpitheliumRetinal Pigment EpitheliumLiver TransplantationDogsNasolacrimal DuctEjaculatory DuctsStentsOlfactory MucosaRetrospective StudiesRespiratory MucosaIntestinal MucosaVitelline DuctEndolymphatic DuctLacrimal Duct ObstructionTracheaCorneaIn Situ HybridizationCommon Bile Duct NeoplasmsMicroscopy, ElectronCochlear DuctBronchiAdenoma, Bile DuctCiliary BodyMorphogenesisKeratinsCell DifferentiationCells, CulturedMicroscopy, Electron, ScanningCholestasis, ExtrahepaticMetaplasiaConjunctivaNasal MucosaKidney MedullaReverse Transcriptase Polymerase Chain ReactionGene Expression Regulation, DevelopmentalGallbladderOrgan Culture TechniquesMammary Glands, AnimalHistocytochemistryMucous MembraneRabbitsMice, TransgenicMice, Inbred C57BLImmunoenzyme TechniquesLigationMesodermColonLungTime FactorsGene ExpressionRats, Sprague-DawleyPancreasCholecystectomy, LaparoscopicMouth MucosaEsophagusCiliaUterus