Lumbosacral PlexusSpinal Nerve RootsLumbosacral RegionSacrumSciatic NerveLumbar VertebraePeripheral NervesSpinal CordRadiculopathyOptic NerveNerve FibersCauda EquinaNerve Compression SyndromesTibial NerveSural NerveNerve RegenerationNerve BlockIntervertebral Disc DisplacementSpinal NervesSpina Bifida OccultaSpondylolisthesisNerve EndingsMedian NerveFacial NerveNerve CrushPeripheral Nerve InjuriesSciaticaUlnar NerveMotor NeuronsMeningoceleSacrococcygeal RegionNeural ConductionMeningomyeloceleFemoral NervePolyradiculopathyCatsSpineLordosisEpidural SpaceNeurons, AfferentSpinal DiseasesPeripheral Nervous System DiseasesElectric StimulationNerve Growth Factor