AmputationPeripheral Nerve InjuriesAmputation, TraumaticAmputation StumpsSciatic NerveCranial Nerve InjuriesHypoglossal Nerve InjuriesOptic Nerve InjuriesWounds and InjuriesFacial Nerve InjuriesPeripheral NervesArtificial LimbsSpinal NervesNerve RegenerationNerve CrushSciatic NeuropathyNeuralgiaTrigeminal Nerve InjuriesLingual Nerve InjuriesTrauma, Nervous SystemLower ExtremityDiabetic FootBrain InjuriesOptic NerveLaryngeal Nerve InjuriesAmputeesNerve FibersLeg InjuriesLegSpinal Cord InjuriesAxotomyHyperalgesiaAthletic InjuriesPhantom LimbUlnar NerveFinger InjuriesPeripheral Nervous System DiseasesFacial NerveTibial NerveLimb SalvageIschemiaReperfusion InjuryRats, Sprague-DawleyGangreneMedian NerveNerve BlockFemoral NerveHand InjuriesArm InjuriesAccessory Nerve InjuriesGanglia, SpinalRecurrent Laryngeal Nerve InjuriesSural NerveNeuromaInjury Severity ScoreBlast InjuriesDisarticulationSpinal Nerve RootsSpinal CordTibial NeuropathyAxonsNerve Compression SyndromesNerve EndingsDisease Models, AnimalLigationOlfactory Nerve InjuriesVagus Nerve InjuriesPainToesRadial NerveNerve Growth FactorsLung InjuryNerve Growth FactorNerve TransferTime FactorsRetrospective StudiesExtremitiesPosterior Horn CellsRecovery of FunctionTrigeminal NerveFoot InjuriesVascular Surgical ProceduresNeurons, AfferentFootFoot UlcerPhrenic NerveTreatment OutcomeMandibular NerveWounds, PenetratingEye InjuriesWallerian DegenerationOculomotor Nerve InjuriesPain MeasurementRegenerationPain ThresholdBrachial PlexusPeripheral Vascular DiseasesReplantationPeroneal NeuropathiesAccessory Nerve