QS-65 – Cast from natural specimen, in SOMSO-Plast. Functional model. Mounted and flexible with occipital bone, spinal cord with spinal bulb, and nerve endings. Presentation of the vertebral artery and laminectomy on C 4. Removable on a stand with base. Height: 22 cm., width: 18 cm., depth: 21 cm., weight: 500 g.