胎盘屏障是胎盘绒毛组织与子宫血窦间的屏障,胎盘是由母体和胎儿双方的组织构成的,由绒毛膜、绒毛间隙和基蜕膜构成。绒毛膜内含有脐血管分支,从绒毛膜发出很多大小不同的绒毛,这些绒毛分散在母体血之中,并吸收母血中的氧和营养成分,排泄代谢产物。
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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Compared to the placenta barrier,breast barrier could more effectually prevent arsenic speciation from entering into puppy's body.
与胎盘屏障相比,乳房屏障可更有效阻挡各形态砷进入仔鼠体内。
参考来源 - 经母体砷暴露不同发育阶段仔鼠肝和脑中砷形态分布·2,447,543篇论文数据,部分数据来源于NoteExpress
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。
It was suggested that swainsonine could damage placenta and endanger directly fetuses through placental barrier.
特布他林穿过胎盘屏障和胎儿的血脑屏障,可能导致自闭症系列障碍和其他精神障碍。
Terbutaline crosses the placental barrier and blood-brain barrier of the fetus, which may lead to an autistic-spectrum disorder and other developmental disorders.
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。
If the cells did cross the placental barrier, the child's immune system should have recognised them as foreign invaders and destroyed them.
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