Bile CanaliculiParietal Cells, GastricBileAchlorhydriaLacrimal Duct ObstructionMicroscopy, ElectronLiverBile Ducts, IntrahepaticIntubationOsteocytesLacrimal Apparatus DiseasesDacryocystorhinostomyH(+)-K(+)-Exchanging ATPaseBile DuctsTaurocholic AcidHepatocytesBiliary TractHistocytochemistryCholagogues and CholereticsCholestasisMicrovilliIntercellular JunctionsNucleotidasesMicroscopy, Electron, ScanningCytochalasin BGastric AcidCell MembraneStomachBile Acids and SaltsCell PolarityGastric MucosaMicroscopy, FluorescenceCytoskeletonImmunohistochemistryRats, Inbred StrainsBiological TransportRats, WistarCells, Cultured