Spinal NervesSpinal Nerve RootsSpinal CordSciatic NervePeripheral NervesNeuralgiaNerve Compression SyndromesPeripheral Nerve InjuriesNerve FibersSpinal Cord InjuriesInjections, SpinalLumbosacral RegionSciaticaNerve BlockLigationLumbar VertebraeLumbosacral PlexusOptic NerveGanglia, SpinalHyperalgesiaPeripheral Nervous System DiseasesNerve RegenerationIntervertebral Disc DisplacementCauda EquinaPeripheral Nervous System NeoplasmsRats, Sprague-DawleyTibial NerveSural NerveSpinal CanalFacial NerveSpinal Cord NeoplasmsNerve EndingsPainCervical VertebraeSpinal StenosisTrigeminal NerveMedian NerveNerve CrushPain MeasurementSacrumUlnar NerveRadiculopathyMyelographyPain ThresholdFemoral NerveEpidural SpaceAxonsNerve Fibers, MyelinatedNeurons, AfferentSpinal DiseasesSpinal Cord DiseasesMotor NeuronsLaminectomySpinal Cord CompressionCervical PlexusAxotomyNeural ConductionNeuritisBrachial PlexusNerve Growth FactorsRhizotomyMononeuropathiesNerve Growth FactorPosterior Horn CellsPhysical StimulationPhrenic NerveElectric StimulationLow Back PainTooth RootSpinal NeoplasmsHyperesthesiaCranial NervesRadial NerveIntervertebral DiscAnalgesicsDisease Models, AnimalSpinal FusionDiskectomyDecompression, SurgicalMagnetic Resonance ImagingCyclohexanecarboxylic AcidsNerve TissueThoracic NervesAnesthesia, SpinalCadaverSciatic NeuropathyOphthalmic NerveSpineMandibular NerveBehavior, AnimalPeripheral Nervous System AgentsThoracic VertebraeIntercostal NervesAnesthetics, LocalNerve Fibers, UnmyelinatedDura MaterSensory Receptor CellsSplanchnic NervesPeripheral Nervous SystemNerve Degeneration