mock up human spine on a white background. the concept of segments and divisions of the spine, the structure and anatomy of the

anatomy arch articular backbone background body bone canal capsule cartilage cervical chest chord coccygeal coccyx collagen column cord core discs epidural facet fibers fibrous foramen intervertebral isolate joint layout ligament ligaments longitudinal lower lumbar marrow medulla mock nerve nerves node osteocondritis osteoporosis process ring root sacral sacrum segments skeleton space spinal spine spinous thoracic transverse vertebra vertebrae vertebral