HairHair FollicleMorphogenesisOvarian FolliclePupaHair RemovalGrowth Differentiation Factor 9OvarySebaceous GlandsGranulosa CellsEpidermisDermisKeratinocytesOocytesAlopeciaSkinKeratin-14Gene Expression Regulation, DevelopmentalFollicle Stimulating HormoneHedgehog ProteinsMice, TransgenicCell DifferentiationSignal TransductionHair Cells, AuditoryMice, KnockoutTrans-ActivatorsImmunohistochemistryKeratinsbeta CateninMice, Inbred C57BLHair DiseasesHair ColorIn Situ HybridizationMesodermEpitheliumHair Cells, Auditory, InnerOvulationBody PatterningMutationEmbryo, NonmammalianCell PolarityFollicular FluidEpithelial CellsOrgan Culture TechniquesDrosophila ProteinsZebrafishHair DyesPhenotypeHair Cells, VestibularOrganogenesisHair PreparationsTheca CellsHair Cells, Auditory, OuterUreterMolecular Sequence DataDrosophilaHomeodomain ProteinsModels, BiologicalTranscription FactorsOogenesisZebrafish ProteinsProgesteroneEstradiolFibroblast Growth Factor 10Cell ShapeOdontogenesisCell MovementToothEmbryo, MammalianAmino Acid SequenceChick EmbryoEmbryonic and Fetal DevelopmentAnimals, Genetically ModifiedHyphaeRNA, MessengerMicroscopy, ElectronBone Morphogenetic ProteinsCells, CulturedEar, InnerMammary Glands, AnimalTissue Culture TechniquesCell DivisionCadherinsEctodysplasinsMembrane ProteinsActinsEmbryonic DevelopmentMicroscopy, Electron, ScanningLuteinizing HormoneBase SequenceWnt ProteinsPregnancyInhibinsFeathersEctodermFibroblast Growth FactorsTooth GermTime FactorsExtremitiesDrosophila melanogaster