This life-size model of a vertebral column has realistic flexibility. It includes the occipital plate; cervical; thoracic and lumbar vertebrae; sacrum; coccyx; and complete pelvis. The vertebral arteries, spinal nerve branches and prolapsed L3 - L4 intervertebral disc are represented. The spine is free standing and suspended from a stand. 90 x 20 x 20 cm. Weight: 3 kg.