The A212.4 spinal column model is a lifelike cast of a real human spinal column (approx. 80 cm). 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 represented. The sacrum is opened at the back by a bone flap to show the course of the nerves within the bone. With stand.