InjectionsSciatic NervePeripheral NervesOptic NerveNerve FibersNerve RegenerationNerve BlockNerve EndingsMedian NerveSural NerveFacial NerveNerve CrushPeripheral Nerve InjuriesTibial NerveUlnar NerveInjections, IntravenousInjections, IntramuscularFemoral NerveSpinal NervesTrigeminal NerveNerve Growth FactorNerve Growth FactorsInjections, SubcutaneousInjections, IntralesionalInjections, Intra-ArticularPhrenic NerveSpinal Nerve RootsRadial NerveCranial NervesNerve Compression SyndromesMandibular NerveOphthalmic NerveInjections, IntraperitonealNerve TissueSplanchnic NervesCochlear NerveRats, Sprague-DawleyGlossopharyngeal NerveInjections, IntraventricularNeural ConductionInjections, IntradermalOptic Nerve InjuriesInjections, EpiduralInjections, SpinalOptic Nerve DiseasesNerve Fibers, MyelinatedElectric StimulationThoracic NervesInjections, Intra-ArterialSympathetic Nervous SystemAxonsAbducens NerveAccessory NerveOculomotor NerveFacial Nerve InjuriesIntravitreal InjectionsCranial Nerve NeoplasmsFacial Nerve DiseasesRecurrent Laryngeal NerveLingual NerveOlfactory NerveNerve DegenerationDisease Models, AnimalHypoglossal NerveInjections, JetInjections, IntraocularMaxillary NerveNerve Tissue ProteinsNeurons, AfferentRats, WistarAbducens Nerve DiseasesPeripheral Nervous System DiseasesDenervationMicroinjectionsAnesthetics, LocalReceptors, Nerve Growth FactorCatsOculomotor Nerve DiseasesNerve Sheath NeoplasmsSciatic NeuropathyMotor NeuronsDose-Response Relationship, DrugTime FactorsFlow Injection AnalysisMice, Inbred C57BLCranial Nerve InjuriesNerve Fibers, UnmyelinatedAction PotentialsRabbitsChorda Tympani NerveRats, Inbred StrainsVestibular NerveLidocaineSpinal CordImmunohistochemistryNeedlesTrigeminal Nerve DiseasesSubstance Abuse, IntravenousReflexPain Measurement