Thorax and abdomen. 19th century artwork showing the organs of the thorax and abdomen. At top are the lungs. The diaphragm separates the thoracic and abdominal cavities. Below the diaphragm are the liver (dark red) and the stomach (grey). Filling the majority of the abdominal cavity are the large (outer) and small (inner) intestines. At bottom centre is the bladder. This anatomical artwork is plate 3 from volume 5 (1839) of 'Traite complet de l'anatomie de l'homme' (1831-1854). This 8-volume anatomy atlas was produced by the French physician and anatomist Jean-Baptiste Marc Bourgery (1797-1849). The illustrations were by Nicolas-Henri Jacob (1781-1871).