Mouth MucosaSkinIntestine, SmallMouthIntestinesIntestinal MucosaGastric MucosaSkin AgingIntestine, LargeSkin NeoplasmsSkin DiseasesSkin Physiological PhenomenaEpidermisNasal MucosaSkin AbsorptionSkin PigmentationKeratinocytesFibroblastsSkin, ArtificialUltraviolet RaysDermisMouth FloorSkin TestsIleumColonIntestinal AbsorptionDuodenumMouth DiseasesJejunumErythemaMucous MembraneCells, CulturedMouth NeoplasmsRNA, MessengerImmunohistochemistrySkin TransplantationTime FactorsAdministration, TopicalSunlightOlfactory MucosaBiopsyMouthwashesStomachDermatitisMolecular Sequence DataMouth, EdentulousEpitheliumSkin Physiological ProcessesMelanocytesAdministration, CutaneousDigestive SystemLaryngeal MucosaSebaceous GlandsSwineMicrovilliSkin UlcerIntestinal DiseasesBlisterWound HealingXerostomiaSkin Diseases, BacterialMelaninsEnterocytesOrgan Culture TechniquesSunscreening AgentsTissue DistributionMice, HairlessLangerhans CellsEnterovirus A, HumanCecumIntestinal NeoplasmsCarcinoma, Basal CellMouth ProtectorsKeratosisSweat GlandsMice, Inbred C57BLReverse Transcriptase Polymerase Chain ReactionCollagenGene ExpressionHair FollicleInjections, IntradermalPsoriasisBase SequencePermeabilityLiverGastrointestinal TractModels, BiologicalEpithelial CellsGene Expression RegulationStaphylococcal Skin InfectionsMatrix Metalloproteinase 1Dose-Response Relationship, DrugCell LineKineticsGerm-Free LifeAmino Acid SequenceAdministration, OralDose-Response Relationship, RadiationGastrointestinal MotilitySkin Diseases, Viral