檢視小动脉的原始碼

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

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[[File:U=1038418718,1797442098&fm=26&gp=0.jpg|缩略图|居中|[https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=1038418718,1797442098&fm=26&gp=0.jpg 原图链接][https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E5%B0%8F%E5%8A%A8%E8%84%89&step_word=&hs=0&pn=4&spn=0&di=71940&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=1038418718%2C1797442098&os=2547932449%2C2942118782&simid=3368566298%2C360055542&adpicid=0&lpn=0&ln=1395&fr=&fmq=1607157085286_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%2Fwww.51wendang.com%2Fpic%2Fa17ec19ed908de064e64dcff%2F2-810-jpg_6-1080-0-0-1080.jpg&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3Bc8ojg1wg2_z%26e3Bv54AzdH3F15vAzdH3Fw80jv8lj1lab1jam9jm91vuuAzdH3Fd&gsm=5&rpstart=0&rpnum=0&islist=&querylist=&force=undefined来自 百度 的图片]]]

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管径在0.3~1mm之间，为小动脉(smallartery)，[[小动脉]]包括粗细不等的几级分支，也属[[肌性动脉]]。较大的小动脉，内膜有明显的内弹性膜，[[中膜]]有几层平滑肌，外膜厚度与中膜相近，一般没有外弹性膜。