Spinal CordSpinal Cord InjuriesSpinal StenosisCervical VertebraeSpinal CanalLumbar VertebraeSpinal Cord CompressionSpinal Cord DiseasesLaminectomySpinal Cord NeoplasmsLumbosacral RegionSpinal Nerve RootsSpinal NervesSpinal FusionInjections, SpinalSpinal DiseasesDecompression, SurgicalQuadriplegiaSpinal InjuriesMyelographySpinal NeoplasmsMotor NeuronsAnesthesia, SpinalSpondylosisPhrenic NerveRadiculopathyMagnetic Resonance ImagingRecovery of FunctionMyelitisRats, Sprague-DawleyParalysisForelimbAnterior Horn CellsFibroinsSpinal Cord IschemiaPosterior Horn CellsLigamentum FlavumSpineGanglia, SpinalNeckPain MeasurementDura MaterEpidural SpaceMuscular Atrophy, SpinalCauda EquinaPolyradiculopathyIntervertebral Disc DisplacementNeurosurgical ProceduresLocomotionElectromyographyContusionsAxonsLongitudinal LigamentsParaplegiaInjections, EpiduralSpondylolisthesisPyramidal TractsRespiratory ParalysisNeck InjuriesPainAfferent PathwaysElectric StimulationSpinal Cord StimulationNerve RegenerationHyperalgesiaLow Back PainCatsTrigeminal Nucleus, SpinalEpidural AbscessDisease Models, AnimalTreatment OutcomeNeuralgiaTuberculosis, SpinalRed NucleusTime FactorsKlippel-Feil SyndromeCordotomyNeuronsNeurons, AfferentSpinal OsteophytosisSpinal CurvaturesElectric Stimulation TherapyPhysical StimulationReflexDiosgeninSciaticaHematoma, Epidural, SpinalArnold-Chiari MalformationInterneuronsSyringomyeliaTrigeminal Caudal NucleusBrain StemSciatic NerveTomography, X-Ray ComputedNerve TissueHindlimbNeural PathwaysEcho-Planar ImagingMedulla OblongataOrthopedic Procedures