transplacental

简明释义

英[ˌtrænzpləˈsentəl]美[ˌtrænspləˈsentl]

adj. 经胎盘的

英英释义

单词用法

同义词

反义词

例句

1.Objective To study the immune reaction of host with transplacental transmission of schistosomiasis.

目的研究日本血吸虫病经胎盘传播宿主的血清免疫反应。

2.There is one reported case of transplacental (mother-to-child) WNV transmission.

曾有一例西尼罗河病毒经胎盘（从母亲到婴儿）传播的报告。

3.Transmission is by direct and indirect contact, and by transplacental and congenital transmission.

所属病毒通过直接和间接接触传播，或经胎盘和先天性传播。

4.Finally, transplacental transmission of the disease to an unborn child may occur when the mother acquires a primary infection while pregnant.

最后，就是已经感染的母亲经过胎盘将疾病传染给孩子。

5.Finally, transplacental transmission of the disease to an unborn child may occur when the mother acquires a primary infection while pregnant.

最后，就是已经感染的母亲经过胎盘将疾病传染给孩子。

6.Research indicates that some antibodies can be passed transplacental 胎盘的 from mother to child, providing immunity.

研究表明，某些抗体可以通过transplacental 胎盘的方式从母亲传递给孩子，提供免疫力。

7.The risk of transplacental 胎盘的 transmission of certain diseases is a major concern for pregnant women.

某些疾病的transplacental 胎盘的传播风险是孕妇的主要关注点。

8.The study showed that certain infections can be transmitted through the transplacental 胎盘的 route from mother to fetus.

研究表明，某些感染可以通过transplacental 胎盘的途径从母亲传播给胎儿。

9.The medication was found to cross the transplacental 胎盘的 barrier, affecting fetal development.

发现这种药物能够跨越transplacental 胎盘的屏障，影响胎儿发育。

10.Doctors are concerned about transplacental 胎盘的 transmission of the virus during pregnancy.

医生们担心病毒在怀孕期间的transplacental 胎盘的传播。

作文

The process of human development is a marvel of biology, and one of the most fascinating aspects of this process is the role that the placenta plays. The placenta is a remarkable organ that forms during pregnancy, serving as a critical interface between the mother and the developing fetus. One of its key functions is to facilitate the transfer of nutrients and oxygen from the mother to the fetus, which occurs through a mechanism known as transplacental (跨胎盘的) transfer. This term refers to the movement of substances across the placental barrier, allowing essential elements to reach the growing baby while simultaneously removing waste products. Understanding the transplacental (跨胎盘的) passage of substances is crucial for several reasons. First and foremost, it highlights the importance of maternal health during pregnancy. Any harmful substances that the mother ingests, such as drugs, alcohol, or certain infections, can also cross the placenta and affect the fetus. For example, studies have shown that alcohol consumption during pregnancy can lead to fetal alcohol syndrome, a serious condition that results in developmental issues for the child. This underscores the need for expectant mothers to be aware of what they consume, as it can have dire consequences for their unborn children due to the transplacental (跨胎盘的) effects.Moreover, the transplacental (跨胎盘的) transfer of antibodies from the mother to the fetus is a vital aspect of prenatal care. During the last trimester of pregnancy, the mother’s immune system produces antibodies that can cross the placenta, providing the fetus with passive immunity against certain infections. This is particularly important in the early months of life when the newborn's immune system is still developing. Without this transplacental (跨胎盘的) transfer of immunity, infants would be more susceptible to infections, highlighting the critical role of maternal health in ensuring a strong start for the baby.In addition to nutrients and antibodies, the transplacental (跨胎盘的) transfer mechanism also allows for the passage of certain medications. Healthcare providers often need to consider how drugs prescribed to pregnant women may affect the fetus. Some medications are deemed safe during pregnancy because they do not significantly cross the placenta, while others may pose risks. For instance, certain antidepressants and anti-epileptic drugs have been studied extensively to understand their transplacental (跨胎盘的) effects. This careful consideration helps in managing the health of both the mother and the child.The implications of transplacental (跨胎盘的) transfer extend beyond individual health concerns; they also influence public health policies and prenatal care guidelines. Educating mothers about the potential risks associated with various substances is essential for preventing complications during pregnancy. Furthermore, ongoing research into the transplacental (跨胎盘的) transfer of new medications and vaccines is crucial as we strive to protect both maternal and fetal health.In conclusion, the concept of transplacental (跨胎盘的) transfer is integral to understanding prenatal development and the factors that influence it. By recognizing the significance of the placenta as a gateway for nutrients, antibodies, and even harmful substances, we can better appreciate the complexities of pregnancy. It serves as a reminder of the interconnectedness of maternal and fetal health, emphasizing the need for careful monitoring and education during this critical period of life.