Spinal NeoplasmsSpinal CordSpinal Cord InjuriesSpineSpinal Cord DiseasesSpinal Cord CompressionSpinal Cord NeoplasmsSciatic NerveSpinal NervesSpinal Nerve RootsSpinal Cord IschemiaNerve RegenerationPeripheral NervesCervical VertebraeInjections, SpinalNerve FibersSpinal DiseasesParaplegiaThoracic VertebraeMotor NeuronsOptic NerveSpinal InjuriesSpinal CanalLumbar VertebraeSpinal Cord RegenerationAxonsRats, Sprague-DawleySpinal FusionLaminectomyQuadriplegiaPeripheral Nerve InjuriesAnesthesia, SpinalLumbosacral RegionTibial NerveSpinal StenosisNerve BlockNerve CrushPosterior Horn CellsNerve EndingsRecovery of FunctionGanglia, SpinalSural NerveUmbilical CordMedian NerveMagnetic Resonance ImagingElectric StimulationFacial NerveDisease Models, AnimalLocomotionNeuronsNerve Growth FactorsUlnar NervePhrenic NerveSpinal Cord StimulationPainNeurons, AfferentFemoral NerveMyelitisNeuralgiaAnterior Horn CellsCordotomyParalysisNerve Compression SyndromesImmunohistochemistryHyperalgesiaMyelographyNerve TissueTime FactorsSpinal FracturesAfferent PathwaysNeural ConductionNerve Tissue ProteinsNerve Fibers, MyelinatedCatsTrigeminal NerveNerve Growth FactorReflexMyelin SheathCranial NervesMuscular Atrophy, SpinalEpidural SpaceTuberculosis, SpinalSynapsesElectromyographyElectric Stimulation TherapyPain MeasurementHindlimbDecompression, SurgicalSpinal CurvaturesNeuronal PlasticityNociceptorsDendritesNerve DegenerationUrinary Bladder, NeurogenicHematoma, Epidural, SpinalRadial NerveTreatment OutcomeMotor ActivityPhysical StimulationCentral Nervous System