Brain and spinal cord, shown in situ. Head, thorax and abdomen divided in coronal section, viscera removed to show posterior thoracic and abdominal wall, brain shown intact. Dura mater shown in situ on right side, dura mater removed on left side. Spinal cord, spinal nerves and cauda equina shown in situ with dura mater in place on right side, dura mater removed from left. Vertebrae divided at the lamina. Intercostal arteries and veins shown. Neck muscles and psoas muscles also shown. Anterior view.