SP583 This spine incorporates movable femur heads and has painted muscle origins (red), and insertions (blue) on one side. Complete with suspension stand.  Flexibly articulated to simulate natural twisting and bending motions, this budget-priced vertebral column also includes the following features: occipital bone of skull, spinal nerve roots, cervical vertebral artery, a lumbar disc prolapse between L3 and L4, complete pelvis. Includes hanging stand