Spinal NervesIntervertebral DiscSpinal Nerve RootsIntervertebral Disc DegenerationIntervertebral Disc DisplacementSpinal CordLumbar VertebraeNeuralgiaSpinal Cord InjuriesLumbosacral RegionInjections, SpinalSpinal DiseasesPeripheral Nerve InjuriesSciatic NerveLigationPeripheral NervesSpineHyperalgesiaFibrocartilageNerve FibersGanglia, SpinalRadiculopathyCervical VertebraePeripheral Nervous System DiseasesThoracic VertebraeRats, Sprague-DawleySciaticaSpinal FusionNerve Compression SyndromesSpinal CanalPainSpinal StenosisOptic NervePain MeasurementSpinal Cord CompressionSpinal Cord DiseasesPain ThresholdMyelographySpinal Cord NeoplasmsDiskectomyNerve RegenerationMononeuropathiesPosterior Horn CellsNeuritisAnesthesia, SpinalLow Back PainAxotomyPeripheral Nervous System NeoplasmsDisease Models, AnimalSpinal OsteophytosisIntervertebral Disc ChemolysisSpinal InjuriesHyperesthesiaPhysical StimulationNeurons, AfferentLaminectomyLumbosacral PlexusAnalgesicsSpinal NeoplasmsDiscitisWeight-BearingMagnetic Resonance ImagingCadaverNerve BlockSacrumAggrecansCyclohexanecarboxylic AcidsBiomechanical PhenomenaCompressive StrengthMotor NeuronsRhizotomyNotochordInfusions, SpinalPeripheral Nervous System AgentsIntercostal NervesLigamentsAxonsNerve Fibers, MyelinatedNerve EndingsSural NerveTibial NerveMedian NerveScoliosisNerve CrushFacial NerveBehavior, AnimalChymopapainCauda EquinaUlnar NerveImmunohistochemistryDecompression, SurgicalFemoral NerveSciatic NeuropathyInternal FixatorsCollagen Type IIElectric StimulationEpidural SpaceNeural ConductionNerve Fibers, UnmyelinatedSensory Receptor Cells