This highly detailed life-size model shows all significant features of each vertebra, including spine, nerve roots, the vertebral artery, a herniated disc and vertebral notch etc. Ideal teaching model for students, patient education of chiropractors, orthopedic surgeons and other medical professionals. Special features include: inflexible 29" tall vertebral column complete with pelvis, sacrum, occipital bone, vertebral artery, all nerve branches and herniated lumbar disc. Deluxe chrome stands 34" high.