1. grey matter2. white matter3. ventral root4. dorsal root5. spinal ganglion6. ventral branch of the spinal nerve7. dorsal branch of the spinal nerve8. white communicating branch9. grey communicating branch9*. grey communicating branch in other level than is shown on this picture10. paravertebral ganglion (ganglion of the sympathetic trunk)10*. paravertebral ganglion in other level (above or below than is shown on this picture)11. prevertebral ganglion (e.g. celiac ganglion)12. visceral branch13. interganglionar branch14. ventral horn15. dorsal horn