Small intestine. 19th century artworks of the small intestine showing the lymphatic vessels (white, at left) and blood supply (at right). Arteries are red and veins are blue. At right the intestine is shown in a distended state. This anatomical artwork is plate 29 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).