278. Liver in Situ: Vascular and Duct Systems 279. Liver Structure: Schema 280. Gallbladder, Extrahepatic Bile Ducts, and Pancreatic Duct 281. Pancreas in Situ 282. Spleen 283. Arteries of Stomach, Liver, and Spleen 284. Arteries of Liver, Pancreas, Duodenum, and Spleen 285. Celiac Arteriogram and CT Angiogram 286. Arteries of Duodenum and Head of Pancreas