内皮绒毛胎盘
endotheliochorial placenta
胎盘胎膜残留
Retained placental fragment
retained placenta
变形胎盘细胞
Amoeboid blastodermic cell
部分胎盘滞留
retention of placenra fragment
侧前位胎盘
Placenta praevia partialis
Placenta praevia lateralis
超声波定位胎盘
ultrasonic localization of placenta
超细轮胎胎面胶粉
ultra -fine tyre rubber powder