This model is color-coded. Includes cerebellum, circle of Willis, vertebral artery, sciatic nerve, right brachial plexus, and 1st & 2nd ribs and sacroiliac ligaments. It also includes suboccipital triangle, scalene, gluteus med. and minimus, piriformis and gemellus. It also shows bone spurs, herniated disc, compression fractures, bone tumor, and osteoarthritis of the hip.