1. Weight: 200 g 2. Material: PVC 3. Size: 10 x 10 cm 4. Description: This model is composed of the fourth lumbar spine and the fifth lumbar spine, which have a magnification of 1.5 times, and the spinal nerves of the intervertebral disc. The intervertebral disc is made of soft elastomer for the convenience of the user. What kind of changes occur in human intervertebral discs? 5. Applicable to: Orthopedics, surgery, clinical teaching, occupational disease prevention, ergonomics, physical education, etc. Good auxiliary teaching and demonstration 6. Product composition: Two vertebrae with a flexible disc, spinal cord and nerves
