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24周脉动脉值多少正常
更新时间: 2020-11-04 00:00:00  

怀孕24周左右胎儿的脐动脉正常值在2.5-5.5之间,超过5点5就需要到医院里面做检查,保证身体健康。

动脉(artery)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。动脉管壁的功能是,心室射血时,管壁扩张;心室舒张时,管壁回缩,促使血液继续向前流动。

关键词: 动脉 多少 正常

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