amniongenesis

例句：

1. 1. The study of amniongenesis is crucial for understanding the development of early mammals.
   研究羊膜形成对于理解早期哺乳动物的发展至关重要。
2. 2. Amniongenesis plays a vital role in the formation of the placenta during pregnancy.
   羊膜形成在怀孕期间形成胎盘的过程中起着重要作用。
3. 3. In recent years, researchers have made significant progress in understanding the molecular mechanisms underlying amniongenesis.
   近年来，研究人员在理解羊膜形成的分子机制方面取得了显著进展。