Spinal Cord NeoplasmsAstrocytomaSpinal CordSpinal Cord InjuriesSpinal Cord DiseasesSpinal Cord CompressionBrain NeoplasmsSpinal Cord IschemiaInjections, SpinalParaplegiaSpinal Nerve RootsHypothalamic NeoplasmsSpinal NervesSpinal NeoplasmsMotor NeuronsSpinal Cord RegenerationGlioblastomaSpinal CanalCervical VertebraeAnesthesia, SpinalQuadriplegiaThoracic VertebraeGliomaSpinal DiseasesOptic Nerve NeoplasmsImmunohistochemistryUmbilical CordRats, Sprague-DawleyPosterior Horn CellsLaminectomyAstrocytesMagnetic Resonance ImagingOligodendrogliomaSupratentorial NeoplasmsLumbosacral RegionRecovery of FunctionNerve RegenerationAxonsSpinal StenosisPancreatic NeoplasmsGanglia, SpinalSpinal Cord StimulationLocomotionSpinal FusionNeoplasmsSpinal InjuriesGlial Fibrillary Acidic ProteinAnterior Horn CellsEpendymomaMyelitisDisease Models, AnimalCordotomyNeuronsParalysisTime FactorsPainMuscular Atrophy, SpinalCerebellar NeoplasmsNeoplasms, Cystic, Mucinous, and SerousHyperalgesiaElectric Stimulation TherapyMeningeal NeoplasmsNeuralgiaNeoplasms, Multiple PrimaryMyelographyCentral Nervous System NeoplasmsBrainElectric StimulationSpineEpidural SpaceAfferent PathwaysUrinary Bladder, NeurogenicHematoma, Epidural, SpinalHindlimbNeurons, AfferentCentral Nervous SystemTumor Cells, CulturedNociceptorsLumbar VertebraeReflexNeurogliaTomography, X-Ray ComputedNeurosurgical ProceduresSubarachnoid SpaceLampreysTreatment OutcomeSkin NeoplasmsCatsMotor ActivityAutonomic DysreflexiaInterneuronsPyramidal TractsElectromyographyAnaplasiaPain MeasurementMeningiomaDNA, NeoplasmTuberculosis, SpinalBrain Stem NeoplasmsNeoplasms, Second Primary