Bile CanaliculiBileBile Acids and SaltsLiverBile Ducts, IntrahepaticBile DuctsCholestasisHepatocytesMicroscopy, ElectronTaurocholic AcidIntestinal ObstructionAirway ObstructionCytochalasin BMicroscopy, Electron, ScanningUreteral ObstructionCell MembraneLacrimal Duct ObstructionParietal Cells, GastricCommon Bile DuctBiliary TractHepatic ArteryAchlorhydriaBile Duct NeoplasmsBile Duct DiseasesBile PigmentsIntubationCells, CulturedDuodenal ObstructionCholagogues and CholereticsDacryocystorhinostomyLacrimal Apparatus DiseasesBile Ducts, ExtrahepaticHepatic VeinsUrinary Bladder Neck ObstructionOsteocytesUrethral ObstructionNasal ObstructionBile RefluxGastric Outlet ObstructionH(+)-K(+)-Exchanging ATPaseChenodeoxycholic AcidVentricular Outflow ObstructionCholic AcidsCholestasis, ExtrahepaticGallbladderHistocytochemistryDeoxycholic AcidCholic AcidCholelithiasis