Representation of the digestive system with above the limit of the diaphragm, the mouth cavity and the thoracic esophagus then in the abdomen, below the diaphragm, abdominal esophagus followed by the stomach on the right of the drawing followed by the duodenum behind which can be found the pancreas, the liver on the left of the drawing, and below these organs, the intestinum tenue at the centre surrounded by the large intestine constituted of the ascending colon on the left gauche, of the transverse colon from left to right and of the colon descendant on the right ended by the rectum.