ABDOMEN. 159 



organ, and furnishes the great epiploon, cardiac liga- 

 ment and hepato-gastric ligament. Muscular coat formed 

 of three layers, one of which belongs essentially to the 

 right extremity ; the left has three coats. Mucous mem- 

 brane, in the left extremity is covered with white, thick 

 epithelium, in the right with fine simple cylindrical 

 epithelium. In its structure we find tubular, mucous, 

 and pepsine glands. Arteries : gastric, splenic, right and 

 left epiploic and pyloric. Yeins : satellites of the ar- 

 teries. Lymphatics, emptying in the reservoir of Pec- 

 quet. Nerves, from the pneumogastric and solar plexus. 

 Liver.— Situation : obliquely downwards and to the 

 left, to the right of the diaphragmatic region. Weight, 

 about eleven pounds. Form : irregularly elliptical, flat- 

 tened from forward backward, thick in its centre, thin 

 at its borders. Division : In three lobes. The whole 

 organ has two faces and a circumference. The ante- 

 rior face is convex, and lias a groove for the posterior 

 vena cava; the posterior is smooth and convex, with a 

 groove for the portal vein, hepatic blood vessels, nerves 

 and ducts. The circumference is divided into a 

 supej'ior or left border, offering from right to left the 

 right ligament of the liver, the groove for the vena 

 cava, a notch for the oesophagus, the left ligament of 

 the liver. The inferior or right border presents the 

 two notches separating tlie three lobes. The right lobe 



