This anatomical model displays the stages of spinal degeneration and includes 4 different sets of vertebrae (Normal, Herniated Disc, Bone / Disc Degeneration and Advanced Osteoporosis). These vertebrae cover a wide range of clinical presentations and are applicable teaching tools for every patient in your practice. Model comes with stand and durable, laminated display backing card. Entire model measures 15cm x 27cm x 9cm and features life-size vertebrae.