檢視肺动脉瓣环的原始碼

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

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[[File:U=3862747907,3738694984&fm=26&gp=0.jpg|缩略图|居中|[https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1607335394567&di=d81dea129b8c25fd30c818b462d723fa&imgtype=0&src=http%3A%2F%2Fpic.baike.soso.com%2Fp%2F20131022%2F20131022105417-1118285801.jpg 原图链接][https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E8%82%BA%E5%8A%A8%E8%84%89%E7%93%A3&step_word=&hs=0&pn=14&spn=0&di=72050&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=3862747907%2C3738694984&os=600779167%2C2950947140&simid=4147936735%2C794071224&adpicid=0&lpn=0&ln=1168&fr=&fmq=1607325292176_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%2Fpic.baike.soso.com%2Fp%2F20131022%2F20131022105417-1118285801.jpg&fromurl=ippr_z2C%24qAzdH3FAzdH3Fkwthj_z%26e3Bf5f5_z%26e3Bv54AzdH3Femdabmc8l_z%26e3Bip4&gsm=e&rpstart=0&rpnum=0&islist=&querylist=&force=undefined 来自 百度 的图片]]]

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位于右心室和肺动脉之间，抑制射入[[肺动脉]]的血流反流回右心室。