Nerve DegenerationOptic NerveWallerian DegenerationOptic Nerve DiseasesAtrophyRetinal Ganglion CellsNerve RegenerationAxonsDisease Models, AnimalRetinal DegenerationMacular DegenerationMuscular AtrophySciatic NervePeripheral NervesOptic AtrophyNerve FibersMuscular Atrophy, SpinalMultiple System AtrophyIntervertebral Disc DegenerationSural NerveNerve CrushNerve EndingsNerve BlockFacial NerveSpinal Muscular Atrophies of ChildhoodPeripheral Nerve InjuriesMedian NerveTibial NerveFrontotemporal Lobar DegenerationUlnar NerveGeographic AtrophyWet Macular DegenerationOlivopontocerebellar AtrophiesSpinal NervesFemoral NerveNerve Growth FactorsRetinaNerve Growth FactorPhotoreceptor Cells, VertebrateSpinal Nerve RootsTrigeminal NerveGyrate AtrophyMagnetic Resonance ImagingPhrenic NerveElectroretinographyIntervertebral DiscNerve Tissue ProteinsCranial NervesNerve Compression SyndromesRadial NerveRetrograde DegenerationSpinocerebellar DegenerationsNerve Fibers, MyelinatedMotor NeuronsNerve TissueNeural ConductionOphthalmic NerveBrainOptic Nerve InjuriesMandibular NerveCochlear NerveRetinal Pigment EpitheliumChoroidal NeovascularizationRetinal DrusenRetinitis PigmentosaSurvival of Motor Neuron 1 ProteinMuscle, SkeletalFluorescein AngiographyGlossopharyngeal NerveSplanchnic NervesMuscular Disorders, AtrophicChoroid