Description: 45cm tall vertebral column complete with pelvis, sacrum, femur heads, vertebral artery, all nerve branches and a herniated lumbar disc This model is designed as a teaching aid for anatomy and physiology courses Helps students understand the relationship between human vertebral column and pelvis Can be used for studying the morphology of the vertebral column and the construction of joints Materail: High quality safety PVC Size Chart: Size (Life size): Approx. 45*14cm / 17.72*5.51inch Package Includes: 1 Human Spine Model Note: Due to the manual measurement, please allow 1-2mm differences in size. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same