Dissection of the thorax, abdomen and pelvis, shown in situ. Posterior thoracic, abdominal and pelvic wall divided and removed, spine removed to show lungs, aorta, azygos vein, jugular veins, carotid arteries, peritoneum, large intestine, and pancreas. Mesenteric arteries and veins, splenic arteries and veins shown. Liver and spleen partly shown. Posterior view.