Cast of a real human spine (approx. 80cm) with herniated disc in the lumbar region (hernia). All details are excellently represented, with occipital bone, nerves, arteries and movable femoral stumps. Fully flexible model: curvatures, tensions and other pathological manifestations can be shown. The sacrum is opened at the back by a bone flap to show the course of the nerves within the bone. With stand and stumps.