Nerve CrushOptic Nerve InjuriesCrush SyndromeNerve RegenerationSciatic NerveOptic NerveSciatic NeuropathyRetinal Ganglion CellsPeripheral Nerve InjuriesPeripheral NervesAxonsTrauma, Nervous SystemAxotomyFacial NerveWallerian DegenerationGAP-43 ProteinSural NerveNerve FibersTibial NerveMyelin SheathLens DiseasesMotor NeuronsSchwann CellsNeural ConductionNeurons, AfferentAxonal TransportRecovery of FunctionDisease Models, AnimalNerve EndingsGanglia, SpinalMuscle DenervationOptic Nerve DiseasesNerve BlockNerve DegenerationCell CountChorda Tympani NerveRats, Sprague-DawleyNerve Growth FactorsDenervationMedian NerveNerve Tissue ProteinsFemoral NerveAntigens, Thy-1GoldfishRetinaUlnar NerveSpinal Nerve RootsNeurofilament ProteinsSpinal NervesNeuritesElectric StimulationNerve Growth FactorRats, WistarTrigeminal NerveTime FactorsNerve Fibers, MyelinatedCranial NervesCell SurvivalAction PotentialsNeurogliaNeuromuscular JunctionNeuronsFacial Nerve InjuriesNeuroprotective AgentsMotor EndplateGrowth ConesRadial NerveNerve TissueImmunohistochemistryMice, Inbred C57BLPhrenic NerveGlaucomaMusclesEarthquakesOphthalmoscopyAdrenergic alpha-2 Receptor AgonistsNerve Compression SyndromesHindlimbQuinoxalinesFluorescent Antibody Technique, IndirectMandibular NerveRetinal DiseasesOphthalmic NerveSpinal Cord