Sciatic NerveSciatic NeuropathyPeripheral NervesCentral Nervous SystemNerve RegenerationNerve CrushNervous SystemNerve BlockPeripheral Nerve InjuriesNerve FibersSchwann CellsPeripheral Nervous SystemOptic NerveAxonsNeural ConductionMyelin SheathTibial NerveGanglia, SpinalNerve Compression SyndromesFemoral NerveSural NerveCentral Nervous System DiseasesRats, Sprague-DawleyAxotomyNerve TissueSpinal CordNerve Growth FactorsPeripheral Nervous System DiseasesSympathetic Nervous SystemSpinal NervesNerve EndingsNeuralgiaSpinal Nerve RootsNerve Growth FactorMedian NerveHyperalgesiaFacial NerveNeurons, AfferentNerve Tissue ProteinsWallerian DegenerationNerve Fibers, MyelinatedAnesthetics, LocalPeripheral Nervous System NeoplasmsEnteric Nervous SystemAxonal TransportUlnar NerveDiabetic NeuropathiesMotor NeuronsDenervationCentral Nervous System NeoplasmsElectric StimulationSciaticaAutonomic Nervous SystemNerve DegenerationBrainNeuronsNervous System Physiological PhenomenaCranial NervesPiriformis Muscle SyndromeTrigeminal NerveRats, WistarHyperesthesiaNeuritisNervous System DiseasesImmunohistochemistryDisease Models, AnimalLumbosacral PlexusPhrenic NerveDemyelinating DiseasesRadial NerveRanvier's NodesReceptors, Nerve Growth FactorNerve Fibers, UnmyelinatedMyelin ProteinsGAP-43 ProteinSorbitolAction PotentialsHindlimbOphthalmic NerveNeurogliaCentral Nervous System InfectionsNervous System NeoplasmsLidocaineMyelin P0 ProteinMandibular NerveMuscle DenervationPain MeasurementTime FactorsPainNeurofilament ProteinsLigationRats, Inbred StrainsPosterior Horn CellsFootSplanchnic NervesSensory Receptor CellsMice, Inbred C57BLCochlear NerveBupivacainePain Threshold