檢視口轮匝肌的原始碼

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| style="background: #008080" align= center|  '''<big>口轮匝肌</big> '''

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[[File:U=3694159812,626866675&fm=26&gp=0.jpg|缩略图|居中|[https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1604318769934&di=77f2b2db851229a5647be4cc9ef42146&imgtype=0&src=http%3A%2F%2Fimg2.soyoung.com%2Fupload%2F20190224%2F3%2F44f6f02ced76352caa4a85ffd132d12d_570.jpg 原图链接][https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E5%8F%A3%E8%BD%AE%E5%8C%9D%E8%82%8C&step_word=&hs=0&pn=1&spn=0&di=77660&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=3694159812%2C626866675&os=2623285018%2C4038186999&simid=3514995413%2C204126041&adpicid=0&lpn=0&ln=1092&fr=&fmq=1604308675776_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%2Fimg2.soyoung.com%2Fupload%2F20190224%2F3%2F44f6f02ced76352caa4a85ffd132d12d_570.jpg&fromurl=ippr_z2C%24qAzdH3FAzdH3F4_z%26e3Bf5y57g2_z%26e3Bv54AzdH3Frdab99a9dAzdH3F&gsm=2&rpstart=0&rpnum=0&islist=&querylist=&force=undefined 来自 百度 的图片]]]

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位于口唇内环绕口裂的环形肌，紧密与口唇皮肤和粘膜相连，口轮匝肌至口角处与颊肌相平行。口轮匝肌也是人体全身最著名的三组环形[[肌肉]]中的一组份，其收缩口唇能使口裂闭拢。