檢視肾动脉的原始碼

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| style="background: #008080" align= center|  '''<big>肾动脉</big> '''

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[[File:U=3425713859,3009501234&fm=26&gp=0.jpg|缩略图|居中|[https://ss1.bdstatic.com/70cFvXSh_Q1YnxGkpoWK1HF6hhy/it/u=3425713859,3009501234&fm=26&gp=0.jpg 原图链接][https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E8%82%BE%E5%8A%A8%E8%84%89&step_word=&hs=0&pn=5&spn=0&di=172370&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=3425713859%2C3009501234&os=3847365146%2C3402051113&simid=4187349193%2C536601240&adpicid=0&lpn=0&ln=1571&fr=&fmq=1608283357101_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%3D1608293474938%26di%3Dc04042b4ecab2e33ad7e5b26cf5e8f38%26imgtype%3D0%26src%3Dhttp%3A%2F%2Fwww.51wendang.com%2Fpic%2F8ba7bd6542a2b43d35ea0e2e%2F8-810-jpg_6-1080-0-0-1080.jpg&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3Bc8ojg1wg2_z%26e3Bv54AzdH3F15vAzdH3Fbkw0k1mc9dwdk9n1ncjwajdjAzdH3Fb&gsm=6&rpstart=0&rpnum=0&islist=&querylist=&force=undefined来自 百度 的图片]]]

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肾动脉是腹主动脉的比较粗大的一对分支，在第1～2腰椎平面发自主[[动脉侧壁]]，横行向外，在肾静脉后方进入肾门。腹主动脉位于体正中线的左侧，所以右肾动脉较左肾动脉稍长。

右肾动脉前邻下腔静脉、胰头和十二指肠降部；左肾动脉前邻胰体、脾静脉和肠系膜下静脉。[[肾动脉]]到达肾门之前，分出一支肾上腺下动脉，行向上至肾上腺；此外还分出输尿管支至[[输尿管]]。

多数肾动脉在肾门附近先分为前、后两支(59.1%)或上、下两支(34.3%)；每支再分支进入肾实质，分布在一定的区域，彼此之间无吻合，称为肾段动脉。