This realistic model details 2 lumbar vertebrae with spinal nerves, dura mater of spinal cord. The anatomy model includes 2 replaceable dorso-lateral prolapsed discs between the 4th and 5th lumbar vertebrae. The Lumbar spinal column is delivered on a removable stand. NEW and exclusively with original 3B Scientific anatomy models - now enhanced with 3B Smart Anatomy. free access to 3B Smart Anatomy courses in the award-winning Complete Anatomy app, this includes 11 3B Smart Anatomy courses with 23 lectures and 117 different views of interactive virtual models, plus 39 quizzes. To unlock these benefits, simply scan the label and register your 3B Smart Anatomy model online. All 3B Smart Anatomy features are completely free of charge. "Virtual meets Reality" developed by 3B Scientific makes learning human anatomy even more effective across all media.