Spinal Nerve RootsNerve Compression SyndromesRadiculopathyLumbar VertebraeSciaticaIntervertebral Disc DisplacementDiskectomySpinal StenosisSciatic NervePeripheral NervesOptic NerveNerve FibersNerve RegenerationNerve BlockNerve EndingsSural NerveMedian NerveFacial NerveNerve CrushPeripheral Nerve InjuriesTibial NerveUlnar NerveFemoral NerveSpinal NervesNerve Growth FactorTrigeminal NerveNerve Growth FactorsPhrenic NerveRadial NerveCranial NervesOphthalmic NerveNerve TissueMandibular NerveCochlear NerveSplanchnic NervesGlossopharyngeal NerveNeural ConductionOptic Nerve InjuriesOptic Nerve DiseasesThoracic NervesNerve Fibers, MyelinatedAccessory NerveFacial Nerve InjuriesAbducens NerveOculomotor NerveSympathetic Nervous SystemCranial Nerve NeoplasmsFacial Nerve DiseasesAxonsRecurrent Laryngeal NerveElectric StimulationLingual NerveOlfactory NerveHypoglossal NerveNerve DegenerationAbducens Nerve DiseasesMaxillary NerveOculomotor Nerve DiseasesNerve Sheath NeoplasmsPeripheral Nervous System DiseasesReceptors, Nerve Growth FactorNerve Tissue ProteinsNeurons, AfferentDenervationSciatic NeuropathyCranial Nerve InjuriesChorda Tympani NerveMotor NeuronsVestibular NerveNerve Fibers, UnmyelinatedTrigeminal Nerve DiseasesReceptor, Nerve Growth Factor