This full-size human skeleton is a great addition to any classroom. Bones are cast individually from naturally colored plastic with great anatomical detail. Both the arms and legs are removable for closer study. Skull features skullcap, suture lines, a full dentition and full calvarium. Spinal column is color-coded and labeled. All vertebral arteries, spinal nerves and intervertebral discs are shown, including a prolapsed L3-L4 intervertebral disc. Comes sacral mounted on a roller base with an easy-to-read corresponding colored diagram.