MucusBarrett EsophagusMetaplasiaEpitheliumEsophagusGoblet CellsPrecancerous ConditionsEsophagoscopyCervix MucusEsophagogastric JunctionEsophageal NeoplasmsMucinsEpithelial CellsCystsIntestinal MucosaGastroesophageal RefluxIntestinesImmunohistochemistryAneuploidyMicroscopy, ElectronAdenocarcinomaCell DifferentiationEpithelium, CornealCactaceaeRespiratory MucosaSeminiferous EpitheliumMucous MembraneMucin-2TracheaRetinal Pigment EpitheliumMucociliary ClearanceBronchiGastric MucosaOlfactory MucosaAlcian BlueMicroscopy, Electron, ScanningMucin 5ACColonIntestine, SmallKeratinsNasal MucosaCiliaGastric MucinsEsophageal DiseasesHyperplasiaPeriodic Acid-Schiff ReactionHistocytochemistryIn Situ HybridizationLungExocrine GlandsMorphogenesisCervix UteriCells, CulturedGene Expression Regulation, DevelopmentalRNA, MessengerDigestive SystemCorneaOptic Lobe, NonmammalianRespiratory SystemTime FactorsDuodenumBiopsyMucin-5BCardiaModels, BiologicalOrgan Culture TechniquesMice, Inbred C57BLMicrovilliCell PolarityStomachJejunumMice, TransgenicBreast DiseasesPaneth CellsSignal TransductionIleumVisual CortexVaginaConjunctivaHomeodomain ProteinsCiliary BodyIntercellular JunctionsRabbitsMolecular Sequence DataFluorescent Antibody TechniqueCell MovementCell CountKeratin-7Keratin-8Reverse Transcriptase Polymerase Chain ReactionGene ExpressionMice, KnockoutBacterial AdhesionBasement MembraneImmunoenzyme TechniquesAnimals, NewbornCatsCell DivisionUterusMembrane Proteins