AxotomyGlossopharyngeal NerveSciatic NerveGanglia, SpinalAxonsFacial Nerve InjuriesNerve RegenerationFacial NerveDenervationNerve CrushPeripheral NervesRetrograde DegenerationMotor NeuronsWallerian DegenerationNeurons, AfferentGAP-43 ProteinOptic NerveRed NucleusPeripheral Nerve InjuriesOptic Nerve InjuriesPeripheral Nervous System DiseasesStilbamidinesRetinal Ganglion CellsAxonal TransportGanglia, SympatheticAutonomic Fibers, PostganglionicNeurofilament ProteinsSelf MutilationRats, Sprague-DawleyHypoglossal NerveNeuronsSchwann CellsNerve DegenerationSpinal NervesSuperior Cervical Ganglion