Spinal CordCervical VertebraeSpinal Cord InjuriesSpinal CanalSpinal Cord CompressionSpinal Cord DiseasesSpinal Cord NeoplasmsQuadriplegiaSpinal InjuriesPhrenic NerveSpinal StenosisSpondylosisSpinal Nerve RootsLaminectomyForelimbMyelographyMyelitisSpinal DiseasesAnterior Horn CellsMagnetic Resonance ImagingMotor NeuronsInjections, SpinalNeckParalysisSpinal NeoplasmsRecovery of FunctionSpinal NervesSpinal FusionAnesthesia, SpinalNeck InjuriesContusionsRespiratory ParalysisLongitudinal LigamentsPyramidal TractsRats, Sprague-DawleyKlippel-Feil SyndromeRed NucleusEpidural AbscessDecompression, SurgicalSpinal Cord StimulationThoracic VertebraeArnold-Chiari MalformationTrigeminal Caudal NucleusElectromyographyEcho-Planar ImagingDura MaterNerve TissuePosterior Horn CellsTime FactorsSpinal OsteophytosisElectric Stimulation TherapySyringomyeliaAxonsDiaphragmTrigeminal Nucleus, SpinalArmAfferent PathwaysTreatment OutcomeMedulla OblongataMuscular Atrophy, SpinalNerve RegenerationBrain StemEpidural SpaceNeuronal Tract-TracersNeuromaNeurologic ExaminationElectric StimulationDisease Models, AnimalSpinal Cord IschemiaGanglia, SpinalFunctional LateralityInfarctionAutonomic DysreflexiaNeck PainRadiculopathyHandLocomotionReticular FormationTomography, X-Ray ComputedElectrodes, ImplantedNeuronal PlasticityEpendymomaMovementNerve Fibers, MyelinatedEfferent PathwaysParaplegiaMicrosurgeryNeural PathwaysSpineCatsNeurilemmomaTuberculosis, SpinalRolipramMotor ActivitySymptom AssessmentRetrospective StudiesCerebrospinal FluidDog DiseasesReflexDepression