MammalsSkinSkin AgingSkin DiseasesSkin NeoplasmsSkin Physiological PhenomenaSkin TestsSkin AbsorptionSkin PigmentationSkin, ArtificialSkin Diseases, BacterialSkin UlcerEpidermisMolecular Sequence DataMarsupialiaPhylogenySkin AbnormalitiesSpecies SpecificityBiological EvolutionStaphylococcal Skin InfectionsRodentiaSkin Diseases, ViralDermatitisAmino Acid SequencePinnipediaEvolution, MolecularReptilesDermatologic Surgical ProceduresSkin CreamCetaceaUltraviolet RaysSkin Physiological ProcessesMice, HairlessBase SequenceCarcinoma, Basal CellDermisShrewsInsectivoraBirdsErythemaAdministration, CutaneousVertebratesFossilsAdministration, TopicalSeals, EarlessSkin Diseases, ParasiticCarnivoraPapillomaWound HealingFibroblastsArtiodactylaModels, BiologicalKeratosisSequence Homology, Amino AcidHairTime FactorsDolphinsSequence AlignmentEchidnaSunlightMonotremataHair FollicleRNA, MessengerMice, Inbred C57BLMacropodidaeAnimals, WildBody SizeExtinction, BiologicalSunscreening AgentsOpossumsChiropteraSciuridaeMutationHibernationFishesGene Expression RegulationBody Temperature RegulationGene Expression Regulation, DevelopmentalRats, HairlessGenomeImmunohistochemistry9,10-Dimethyl-1,2-benzanthraceneDentitionCloning, MolecularSignal TransductionSequence Analysis, DNASebaceous GlandsMice, TransgenicBlisterConserved SequenceZebrafishPrimatesArvicolinaeAmphibiansMole RatsPaleodontologyMice, KnockoutPhenotypeWater Loss, InsensibleChickens