檢視椎动脉的原始碼

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

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[[File:U=861685183,1510836265&fm=26&gp=0.jpg|缩略图|居中|[https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1608273330258&di=e7d78750289f660caf8711d378769039&imgtype=0&src=http%3A%2F%2Fd.hiphotos.baidu.com%2Fzhidao%2Fpic%2Fitem%2F6159252dd42a2834773c0aea5cb5c9ea14cebfbc.jpg 原图链接][https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E6%A4%8E%E5%8A%A8%E8%84%89&step_word=&hs=0&pn=3&spn=0&di=22000&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=861685183%2C1510836265&os=210689805%2C4175161186&simid=3451183359%2C452144652&adpicid=0&lpn=0&ln=1559&fr=&fmq=1608263236108_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=http%3A%2F%2Fd.hiphotos.baidu.com%2Fzhidao%2Fpic%2Fitem%2F6159252dd42a2834773c0aea5cb5c9ea14cebfbc.jpg&fromurl=ippr_z2C%24qAzdH3FAzdH3Fzit1w5_z%26e3Bkwt17_z%26e3Bv54AzdH3Fq7jfpt5gAzdH3Fdmm9ban0mdbm9madac_z%26e3Bip4s&gsm=4&rpstart=0&rpnum=0&islist=&querylist=&force=undefined 来自 百度的图片]]]

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椎动脉起于锁骨下动脉第一段上壁，发出后穿经第6颈椎以上的横突孔，在寰椎侧块后方向内侧弯曲，穿经枕骨大孔进入颅腔，在脑桥下缘，与对侧椎动脉联合形成基底动脉。偶尔它可在第5、4或第7颈椎进入横突孔。椎动脉第1段在颈长肌和[[前斜角肌]]之间向后上行，在颈总动脉和椎静脉后方与甲状腺下动脉相交叉。