EpitheliumEpithelial CellsEpithelium, CornealPterygiumCorneaConjunctivaImmunohistochemistryCorneal StromaIntestinal MucosaCiliary BodyKeratinsTracheaIn Situ HybridizationMouth MucosaIntestine, SmallLens, CrystallineCell DifferentiationMorphogenesisMicroscopy, Electron, ScanningMicroscopy, ElectronMicroscopy, ConfocalFluorescent Antibody Technique, IndirectRNA, MessengerRespiratory MucosaMesodermColonTime FactorsGene Expression Regulation, DevelopmentalGene ExpressionCells, CulturedBiological TransportMicroscopy, FluorescenceFluorescent Antibody TechniqueRabbitsReverse Transcriptase Polymerase Chain ReactionCell MovementMice, Inbred C57BLMembrane ProteinsCell LineBlotting, WesternSignal TransductionMolecular Sequence DataCell DivisionModels, BiologicalDogsMice, KnockoutCell ProliferationPregnancyBase SequenceTranscription FactorsGerm LayersSmear LayerRetinaRetinal Ganglion CellsChromatography, Thin LayerNeuronsPyramidal CellsNeocortexTomography, Optical CoherenceSomatosensory CortexVisual CortexDendritesSurface PropertiesEpidermisEntorhinal CortexVibrissaeCerebral CortexSynapsesSuperior ColliculiNeural PathwaysGeniculate BodiesCell CountAction PotentialsAnimals, NewbornRats, Sprague-DawleyOptic DiskVisual PathwaysPhotoreceptor Cells, VertebrateFreeze EtchingExcitatory Postsynaptic PotentialsInterneuronsStaining and LabelingCell WallThalamusOptic NerveMicroscopy, Electron, TransmissionHistocytochemistryElectric StimulationSkinRats, WistarRetinal NeuronsNeural InhibitionOptic Nerve DiseasesMaterials TestingCerebellumCatsGlaucomaWaterSynaptic TransmissionDentin