Spinal CanalSpinal CordThoracic VertebraeSpinal Cord InjuriesSpinal StenosisSpinal Cord CompressionLaminectomySpinal Cord DiseasesIntercostal NervesCervical VertebraeSpinal Cord NeoplasmsLigamentum FlavumSemicircular CanalsMyelographyDecompression, SurgicalLumbar VertebraeSpinal NeoplasmsThoraxEar CanalEpidural NeoplasmsEpidural SpaceSpinal Nerve RootsLumbosacral RegionSpinal DiseasesParaparesisSpinal NervesMagnetic Resonance ImagingDura MaterSpinal FracturesParaplegiaRoot Canal PreparationSpinal FusionSpondylosisCauda EquinaSpineTomography, X-Ray ComputedLongitudinal LigamentsRecovery of FunctionRadiculopathyAutonomic DysreflexiaPolyradiculopathyArnold-Chiari MalformationTuberculosis, SpinalSacrumAutonomic Fibers, PreganglionicIntervertebral Disc DisplacementRoot Canal IrrigantsDental Pulp CavityNeuronal Tract-TracersMotor NeuronsSpinal InjuriesSplanchnic NervesInjections, SpinalInternal FixatorsSpondylolisthesisRoot Canal Filling MaterialsAfferent PathwaysSpinal OsteophytosisAnesthesia, SpinalIntercostal MusclesThoracic NervesAxonsAxisHerniaCatsRats, Sprague-DawleyErysipeloidCervical AtlasTractionOssification of Posterior Longitudinal LigamentNerve RegenerationElectric StimulationAchondroplasiaUrinary Bladder, NeurogenicBiomechanical PhenomenaTreatment OutcomeHindlimbAnal CanalReflexNeuronsQuadriplegiaIntervertebral DiscTooth ApexNeck InjuriesSubarachnoid SpaceKyphosisNeurilemmomaVertebroplastyLocomotionNeurons, AfferentScoliosisRibsElectric Stimulation TherapyDislocationsSyringomyeliaGanglia, SympatheticBack PainNerve Compression SyndromesForeign-Body MigrationNeurosurgical Procedures