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单词
fetal blood circulation
释义
fetal blood circulation
Encyclopedia
医学
心血管系统的发生
释
fetal blood circulation
胎儿血液循环
血液在心脏泵的作用下,按照一定方向在胎儿心脏和血管系统中周而复始的运动。胎儿血液循环系统由心脏、动脉、静脉和毛细血管组成。由于胎儿心血管系统存在卵圆孔、静脉导管和动脉导管特殊结构,从而形成了独特的血液循环途径。
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