placentaladj.胎盘的；胎座的n.有胎盘哺乳动物placentan.胎盘；胎座placental venography胎盘静脉造影(术)placental blood flow胎盘血流(量)placental plasmodium[医] 胎盘合胞体placenta preparation胎盘制剂placental circuIation[医] 胎盘循环, 胎循环placenta localization胎盘定位placental giant cells胎盘巨细胞placental angiography胎盘血管造影(术)placenta labyrinthica迷路胎盘placental accentuated[医] 胎盘杂音