Intercostal NervesSpinal NervesSpinal Nerve RootsSpinal CordSpinal Cord InjuriesNeuralgiaThoracic VertebraeInjections, SpinalPeripheral Nerve InjuriesSciatic NerveLigationLumbosacral RegionPeripheral NervesHyperalgesiaSpinal Cord NeoplasmsNerve FibersGanglia, SpinalPeripheral Nervous System DiseasesRats, Sprague-DawleySpinal Cord CompressionSpinal Cord DiseasesNerve RegenerationPainLaminectomyThoraxOptic NerveRadiculopathyMotor NeuronsNeurons, AfferentSpinal CanalPain ThresholdNerve Compression SyndromesAxonsMononeuropathiesPain MeasurementPosterior Horn CellsNeuritisSpinal NeoplasmsParaparesisAxotomyPeripheral Nervous System NeoplasmsParaplegiaEpidural NeoplasmsHyperesthesiaPhysical StimulationLumbar VertebraeAnalgesicsMyelographyElectric StimulationCyclohexanecarboxylic AcidsAnesthesia, SpinalDisease Models, AnimalSplanchnic NervesRhizotomySciaticaAfferent PathwaysNerve BlockPeripheral Nervous System AgentsCervical VertebraeNeural ConductionNerve Fibers, MyelinatedNerve EndingsSural NerveTibial NerveHindlimbLumbosacral PlexusThoracic NervesMedian NerveSpinal DiseasesNerve CrushFacial NerveBehavior, AnimalTuberculosis, SpinalUlnar NerveSpinal StenosisMagnetic Resonance ImagingFemoral NerveSciatic NeuropathySpinal FusionRecovery of FunctionSpineAction PotentialsAutonomic Fibers, PreganglionicCatsAutonomic DysreflexiaDecompression, SurgicalNerve Fibers, UnmyelinatedSensory Receptor CellsMedulla OblongataAminesInfusions, SpinalEpidural SpaceNociceptorsNerve Growth FactorsNeuronsPhrenic NerveTrigeminal NerveNerve Growth FactorNeuronal Tract-TracersCauda Equina