檢視下腔静脉的原始碼

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[[File:U=3828289386,552735478&fm=26&gp=0.jpg|缩略图|居中|[https://ss0.bdstatic.com/70cFvHSh_Q1YnxGkpoWK1HF6hhy/it/u=3828289386,552735478&fm=26&gp=0.jpg原图链接][https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E4%B8%8B%E8%85%94%E9%9D%99%E8%84%89&step_word=&hs=0&pn=3&spn=0&di=169180&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=3828289386%2C552735478&os=331027685%2C4111703733&simid=0%2C0&adpicid=0&lpn=0&ln=1545&fr=&fmq=1608346968917_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%3D1608357051912%26di%3Da0c66bd4422045c717a9e65c5fe20506%26imgtype%3D0%26src%3Dhttp%3A%2F%2Fimg.yao51.com%2Fjiankangtuku%2Fpfwmgqqnpy.jpeg&fromurl=ippr_z2C%24qAzdH3FAzdH3Fyw5c8_z%26e3Bv54AzdH3F3twghwg2p7h7AzdH3Fif77jipx_z%26e3Bip4s&gsm=4&rpstart=0&rpnum=0&islist=&querylist=&force=undefined来自 百度 的图片]]]

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下腔静脉体内最大的静脉干，为下腔静脉系的主干，在第5腰椎平面，由左、右髂总静脉合成，沿腹主动脉右侧上升，经肝的后方，穿膈的腔静脉孔入胸腔，进入右心房。收集下肢、盆腔和腹腔的[[静脉血]]。当下腔静脉阻塞时，在腹壁的两侧、脐平面以下可见到曲张血管。<ref>[https://www.med66.com/web/jiepouxue/wx1505129288.shtml  下腔静脉],医学教育网讯, 2015-05-12</ref>