腹壁上动脉系胸廓内动脉的分支之一。此动脉向下进入腹直肌鞘内，在腹直肌后方分支至该肌，并在脐部与腹壁下动脉(发自骼外动脉)吻合。腹壁下动脉主要营养腹直肌。此肌损伤或手术时应注意处理此动脉。
方法：1．选成年五指山小型猪4只(雌、雄各2只)，以彩色多普勒超声测量腹壁上动脉(superior epigastric artery，SEA)的直径和平均血流速度；氧化铅明胶灌注的方法行血管造影；解剖腹壁，记录腹部上、下血管的解剖；腹壁血管造...
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... 肌膈动脉 musculophrenic a. 腹壁上动脉 superior epigastric a. 膈 diaphragm ...
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... 腹壁浅静脉 superficial epigastric vein 腹壁上动脉 arteria epigastrica superior 腹壁上静脉 superior epigastric veins ...
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上腹壁动脉 epigastric artery
胸廓内动脉在发出腹壁上动脉前后还分出一分支营养剑突水平的腹直肌。
The rectus abdominis at the level of xyphoid was supplied by a branch came from inferoir thorax artery, which diverged epigastric vessels at the same time.
结果于近端切断胸廓内动脉可以保证该动脉逆向供血，血供来源于下位肋间动脉、肌隔动脉和腹壁上动脉。
Results ITA can get blood supply from the inferior intercostal arteries, musculophrenic artery and superior epigastric artery, if its proximal end was divided.
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