Spinal Nerve RootsSpineNerve Compression SyndromesLumbar VertebraeSciatic NerveNerve BlockIntervertebral Disc DisplacementSciaticaLumbosacral PlexusPeripheral NervesCervical VertebraeSacrumCauda EquinaLumbosacral RegionNerve FibersOptic NerveEpidural SpaceTooth RootDiskectomySpinal DiseasesLaminectomyNerve RegenerationSpinal StenosisSpinal CanalTrigeminal NerveMyelographyDecompression, SurgicalPeripheral Nervous System NeoplasmsSpinal NervesFacial NerveTibial NerveSural NerveIntervertebral DiscLow Back PainCervical PlexusNerve EndingsFluoroscopyMedian NervePeripheral Nerve InjuriesNerve CrushDura MaterPolyradiculopathyMagnetic Resonance ImagingUlnar NerveBrachial PlexusSpinal FusionThoracic VertebraeCadaverSpinal Cord CompressionFemoral NerveSpinal NeoplasmsZygapophyseal JointSpinal CordNerve Growth FactorsNeural ConductionGanglia, SpinalNerve Growth FactorThoracic NervesPlant Root CapRoot ResorptionPost-Traumatic HeadachePeripheral Nervous System DiseasesSpinal Cord NeoplasmsAxonsPhrenic NerveCranial NervesRadial NerveSpinal OsteophytosisTibial NeuropathyNerve Fibers, MyelinatedSpinal InjuriesElectric StimulationInjections, SpinalPain MeasurementEpidural NeoplasmsLigamentum FlavumSacrococcygeal RegionTomography, X-Ray ComputedBack PainOphthalmic NerveBone ScrewsNerve TissueMandibular NerveForaminotomySpondylolisthesisNeurosurgical ProceduresInjections, EpiduralAnesthetics, LocalDendritesSpinal Cord DiseasesSpondylosisTreatment OutcomeTrigeminal NeuralgiaSpondylolysisCochlear NerveNeurologic ExaminationRats, Sprague-DawleySplanchnic NervesGlossopharyngeal NerveBrachial Plexus Neuritis