檢視肠系膜上动脉的原始碼

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| style="background: #008080" align= center|  '''<big>肠系膜上动脉</big> '''

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[[File:U=2895091246,2145227426&fm=26&gp=0.jpg|缩略图|居中|[https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=2895091246,2145227426&fm=26&gp=0.jpg 原图链接][https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E8%82%A0%E7%B3%BB%E8%86%9C%E4%B8%8A%E5%8A%A8%E8%84%89&step_word=&hs=0&pn=6&spn=0&di=13640&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=2895091246%2C2145227426&os=777863605%2C197741048&simid=0%2C0&adpicid=0&lpn=0&ln=1064&fr=&fmq=1608345118235_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Ftimgsa.baidu.com%2Ftimg%3Fimage%26quality%3D80%26size%3Db9999_10000%26sec%3D1608355212814%26di%3Ddfe5528304670601e200c5b8d0cf2737%26imgtype%3D0%26src%3Dhttp%3A%2F%2Fss2.meipian.me%2Fusers%2F23786160%2Fa198a102a8d14df39f4fd16b3490f8cc.jpg%3Fmeipian-raw%2Fbucket%2Fivwen%2Fkey%2FdXNlcnMvMjM3ODYxNjAvYTE5OGExMDJhOGQxNGRmMzlmNGZkMTZiMzQ5MGY4Y2MuanBn%2Fsign%2Ff0dcf6723039bc363685f9&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3B4jtrtwg_z%26e3BvgAzdH3F8f4s47qr&gsm=7&rpstart=0&rpnum=0&islist=&querylist=&force=undefined来自 百度 的图片]]]

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肠系膜上动脉约在第一腰椎高度起自腹主动脉前壁，在脾静脉和胰头的后方下行，跨过胰腺钩突的前方，在胰腺下缘和12指肠水平部之间进入小肠系膜根，斜行向右下，至右髂窝处其末端与回结肠动脉的[[回肠]]支吻合。肠系膜上动脉的主干呈向左侧稍凸的弓状，从弓的凸侧依次发出胰十二指肠动脉和十余支空、回肠动脉，从弓的凹侧依次发出中结肠动脉、右结肠动脉和回结肠动脉。