Ganglia, SpinalSpinal CordNeurons, AfferentNeuronsChick EmbryoGangliaSpinal Cord InjuriesRetinal Ganglion CellsBasal GangliaGanglia, SympatheticGanglia, AutonomicTrigeminal GanglionGanglia, ParasympatheticGanglia, SensoryInjections, SpinalSpinal NervesStellate GanglionSpinal Cord DiseasesSpinal Nerve RootsAnesthesia, SpinalSpiral GanglionSpinal Cord NeoplasmsNodose GanglionSpinal CanalSpinal Cord CompressionSpinal DiseasesSpinal NeoplasmsSpinal StenosisGanglia, InvertebrateSpinal FusionSuperior Cervical GanglionAxons