1. The chorion is the outermost membrane surrounding the developing embryo.
绒毛膜是包围发育胚胎的最外层膜。

2. The chorion is responsible for the exchange of nutrients and waste between the mother and the fetus.
绒毛膜负责母体和胎儿之间营养和废物的交换。

3. A defect in the chorion can lead to complications during pregnancy.
绒毛膜的缺陷可能导致妊娠并发症。

4. The chorion plays a crucial role in the development of the placenta.
绒毛膜在胎盘发育中起着至关重要的作用。

5. The chorion is composed of fetal cells and maternal cells.
绒毛膜由胚胎细胞和母细胞组成。

6. Damage to the chorion can affect the health of the developing fetus.
绒毛膜的损伤可能影响发育中的胎儿的健康。