Nasal MucosaRespiratory MucosaMucous MembraneAdenoidsOlfactory MucosaMucociliary ClearanceRespiratory SystemEpitheliumMicroscopy, Electron, ScanningBacterial AdhesionAdministration, IntranasalHaemophilus influenzaeOrgan Culture TechniquesIntestinal MucosaGastric MucosaMouth MucosaEpithelium, CornealEpithelial CellsUrinary Tract InfectionsGastrointestinal TractSeminiferous EpitheliumUrinary TractRetinal Pigment EpitheliumColonImmunohistochemistryRespiratory Tract InfectionsPyramidal TractsLaryngeal MucosaDigestive SystemIntestine, SmallTracheaMetaplasiaDuodenumEsophagusBronchiRNA, MessengerGenitalia, FemaleIntestinesIn Situ HybridizationMicroscopy, ElectronIleumCorneaStomachPrecancerous ConditionsVaginaReverse Transcriptase Polymerase Chain ReactionCells, CulturedMucinsCiliary BodyHistocytochemistryCell DifferentiationMice, Inbred C57BLTime FactorsTongueConjunctivaGastritisImmunoenzyme TechniquesKeratinsLungBiopsyRabbitsBarrett EsophagusMolecular Sequence DataFallopian TubesMucusGene ExpressionUrinary BladderMice, TransgenicUterusMorphogenesisGene Expression Regulation, DevelopmentalTurbinatesSwineStomach UlcerCheekChloridesDisease Models, AnimalRats, Sprague-DawleySignal TransductionBase SequenceFluorescent Antibody TechniqueUrogenital SystemIntestine, LargeColitis, UlcerativeAdenocarcinomaBiliary TractHelicobacter pyloriHyperplasiaMice, KnockoutBlotting, WesternImmunity, MucosalWound HealingCell DivisionDigestive System Physiological PhenomenaMicrovilliColonic NeoplasmsMesodermCiliaGoblet CellsStomach Neoplasms