endometrial columnar epithelium

例句：

1. 1.The endometrial columnar epithelium plays a crucial role in the development of the fetus.
   子宫内膜柱状上皮在胎儿发育中起着至关重要的作用。
2. 2.During menstruation, the endometrial columnar epithelium undergoes significant changes.
   月经期间，子宫内膜柱状上皮会发生显著变化。
3. 3. The study revealed that the endometrial columnar epithelium is essential for maintaining pregnancy.
   研究表明，子宫内膜柱状上皮对于维持妊娠至关重要。