Large intestine. 19th century artwork showing the blood vessels of the large intestine. Arteries are red and veins are blue. The large vein at upper centre is the superior mesenteric vein. The superior mesenteric artery is behind it. This anatomical artwork is plate 31 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).