posterior mesenteric artery

例句：

1. 1.The posterior mesenteric artery is responsible for supplying blood to the lower part of the intestine.
   后腹主动脉负责向肠道的下部供血。
2. 2. This surgery involves rerouting the posterior mesenteric artery to bypass the blockage.
   这次手术涉及重新路由后腹主动脉绕过阻塞。
3. 3. The patient was transferred to the operating room for further treatment of the posterior mesentericartery blockage.
   患者被转移到手术室，接受进一步治疗后腹主动脉阻塞。