Illustration of a human vertebral column with intervertebral discs (blue) and the meninges (light pink) covering the spinal cord (yellow). The sympathetic trunc (purple) that forms part of the autonomic nervous system is pictured with its ganglia. In the upper parts of the picture the spinal roots are visible. The 12th thoracic vertebra and the first lumbar vertebra are shown.
(with labels)
