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解剖时发现一约70岁男尸的左结肠动脉发自腹腔干,由左结肠动脉再发出胰背动脉.1 左结肠动脉起自腹腔干、距根部3.50cm处在腹后壁壁腹膜扣面下行1.50cm后,于其右侧发出胰背动脉,胰背动脉与左结肠动脉并行向下0.50cm至胰头、颈交界的上缘,降至胰后中份,分成左、右两支分别向左、右行2.0cm和4.0cm后,进入胰腺实质.2 左结肠动脉发出后下行4.30cm达胰腺下缘.途中行经脾静脉和胰背动脉左支的后方,随后入横结肠系膜根内,呈弓形弯向左下方.从胰腺下缘起该段长5.50cm,再分上、下两支,每支长5.00cm,分别呈弓形向上、下连接边缘动脉.3 此外,本例左、右肝动脉间有一交通支.由交通支和左肝动脉分别发出一支肝中动脉,各长2.0cm,平行向上,入肝方叶.4 肠系膜下动脉无左结肠动脉分出.其它正常.
Anatomy found about 70-year-old male corpse of the left colic artery originated from the celiac trunk, the left colonic artery and then issued a pancreatic dorsal artery .1 left colic artery from the celiac trunk, 3.50cm from the root in the abdominal wall peritoneal buckle Down 1.50cm, the right pancreatic dorsal artery, pancreatic dorsal artery and left collateral artery 0.50cm down parallel to the pancreas, the upper edge of the neck junction, reduced to pancreatic after the middle, divided into left and right two Left and right after 2.0cm and 4.0cm into the parenchyma of the pancreas.2 After the left colonic artery is sent down 4.30cm down to the lower edge of the pancreas on the way through the splenic vein and the dorsal branch of the left branch of the dorsal artery and then into the transverse mesocolon root , Bowed to the left down from the lower edge of the pancreas 5.50cm from the lower segment, and then points on the next two, each 5.00cm, were bowed up and down, connecting the edge of the artery.3 In addition, this case left and right Between the hepatic artery has a traffic branch by the traffic branch and the left hepatic artery were issued a middle hepatic artery, each length 2.0cm, parallel upward, into the liver square leaves .4 inferior mesenteric artery without left colonic artery .Other normal.