This exhibit shows the enlarged cross-sectional view of the spinal cord and anterior view of the cervical spine. The cross-sectional view of the spinal cord displays the anterior spinal artery and vein, posterior spinal arteries and vein, spinal cord, anterior radicular artery and vein, posterior radicular artery and vein, and the vertebral artery. The anterior view of the cervical spine includes the anterior radicular artery, vertebral artery, and the anterior spinal artery.