This model set features four life-size, two-piece lumbar vertebrae models in different stages of degeneration. The lumbar spine models feature as follows: normal "bulging" herniated disc bone and disc degeneration advanced osteoporosis with marked bone compression and bone spurs. Spine models do not dissect but can be removed for individual inspection and study. Ideal for demonstrating anatomy and degeneration of the spine. This spine set includes removable patient education cards. Set of four, full size two-piece vertebrae models one each of the following conditions: normal, bulging herniated disc, bone and disc degeneration, and advanced osteoporosis with marked bone compression and bone spurs. MODEL DETAILS: Model Size: 8.89 cm x 6.99 cm x 7.62 cm Card Size: 20.96 cm x 15.88 cm Base Size: 26.99 cm x 15.88 cm (GPA1760)