ovarian hilum

例句：

1. 1. The ovarian hilum is the area where the fallopian tubes connect to theovaries.
   卵巢门是输卵管与卵巢相连的区域。
2. 2. In this case, the ovarian hilum was enlarged due to a tumor.
   在这种情况下，由于肿瘤，卵巢门变大了。
3. 3. The ovarian hilum is an important site for studying reproductive function.
   卵巢门是研究生殖功能的重要部位。