This model consists of 5 lumbar vertebra that with the lumbar intervertebral disc, the sacrum, coccyx, spinal nerve and the vertebra. On stand. 1 --- SMALL LUMBAR VERTEBRAE MODEL : it is base for use in for patient education or anatomical study.You can clearly see all the main anatomical structures of the human cervical vertebra spine.The accuracy of this anatomy cervical vertebra spine is the perfect study tool for anatomy students. 2 --- PRODUCT MATERIAL:Human spinal column model for patient education and anatomical studyThe model is made of polyvinyl chloride plastic, which is corrosion resistant, lightweight 3 --- ANATOMICALLY CORRECT: This vertebrae model was developed by medical professionals and cast from an original human skeleton. Be aware of cheap imported human anatomy models that have anatomical inaccuracies and lack the same level of detail. 4 --- HIGH QUALITY: anatomy models are hand-painted and assembled with the utmost attention to detail. This anatomy model is perfect for the doctors office, anatomy classroom, or study aid.