This model shows the stages of disc diseases. Each single model consists of two vertebrae, discs and nerves. Model 1 shows normal condition, model 2 a prolapsed disc. Model 3 and 4 show further damage of disc and vertebrae. Each model can be detached from the stand separately.
a:1:{i:0;a:2:{s:4:"name";s:17:"Area of the body:";s:3:"val";s:20:"intervertebral discs";}}