胎盘屏障(placental barrier)是由胎盘将母体与胎儿血液隔开的屏障。各种家畜胎盘 构造虽有不同,但其通透性相仿,一般简单物质均可通过,但也有些物质不能通过。
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It was suggested that swainsonine could damage placenta and endanger directly fetuses through placental barrier.
由此证明，苦马豆素能损害胎盘并通过胎盘屏障直接作用胎儿。
If the cells did cross the placental barrier, the child's immune system should have recognised them as foreign invaders and destroyed them.
如果癌细胞确实穿过胎盘屏障，孩子的免疫系统应该会将它们视为入侵者，从而消灭它们。
Pregnant women are also cautioned not to clean Kitty litter boxes because of the risk that Toxoplasma crossing the placental barrier and causing complications.
怀孕的女性也要注意，不要去倒猫沙盒，因为会有弓形虫穿过胎盘屏障，导致并发症的风险。
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