Peripheral Nervous System DiseasesCentral Nervous System DiseasesPeripheral Nervous SystemNervous System DiseasesCentral Nervous System Viral DiseasesMeningoencephalitisCentral Nervous System InfectionsCentral Nervous SystemBrainSubacute Sclerosing PanencephalitisAIDS Dementia ComplexBrain DiseasesDemyelinating DiseasesMaus Elberfeld virusPeripheral NervesCerebrospinal FluidMeningesEnterovirus InfectionsNervous SystemNeuronsAstrocytesSchwann CellsSciatic NerveDisease Models, AnimalMyelin SheathMagnetic Resonance ImagingCells, CulturedAxonsPeripheral Nervous System NeoplasmsGanglia, SpinalAutonomic Nervous System DiseasesLamin Type AEnteric Nervous SystemNeural CrestImmunohistochemistrySpinal CordNerve RegenerationDigestive System DiseasesNerve Tissue ProteinsNeurogliaNervous System Physiological PhenomenaMyelin P0 ProteinMutationIn Situ HybridizationPeripheral Nerve InjuriesTime FactorsNeural Conduction