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正常心动脉内径是多少

更新时间: 2020-11-04 00:00:00     

正常心动脉内径是小于35mm。动脉是指从心脏发出不断分枝成小动脉,而最后止于组织内的血管,它将血液由心脏运送至身体各处,由于内部压力较大,血流速度较快。动脉管壁较厚,弹力纤维较多,管腔断面呈圆形,具有舒缩性和一定的弹性,可随心脏的收缩、血压的高低而明显的搏动。

关键词: 正常 动脉 内径 多少

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