Superior mesenteric and its branches. 1: aorta; 2: splenic artery; 3: common trunk that branched into the left gastric artery, the upper right adrenal artery, and a branch to the diaphragm; 4: left gastric artery; 5: superior adrenal artery; 6: inferior phrenic artery; 7: hepato-mesenteric trunk; 8: common hepatic artery; 9: superior mesenteric artery; 10: right gastric artery; 11: gastroduodenal artery; 12: superior anterior pancreatoduodenal artery; 13: right gastroepiploic artery; 14: accessory right gastroepiploic artery; 15: pyloric artery; 16: inferior pancreatoduodenal artery; 17: greater pancreatic artery; 18: portal vein; 19: inferior vena cava; 20: left renal vein; 21: arteries to the small intestine; 22: iliac artery; 23: right colic artery; 24: middle colic artery; 25: the ascending colon; 26: superior mesenteric vein; 27: the descending colon; 28: the transverse part of the colon; 29: caecum; 30: loops of the ileum; 31: loops of the jejunum; 32: left kidney; 33: spleen; 34: the body of the pancreas; 35: head of the pancreas; 36: liver; 37: gallbladder; 38: common bile duct; 39: stomach (inverted, posterior surface); 40: greater omentum.