Ferrein's foramen

例句：

1. 1. The discovery of this foramen has led to significant advances in our understanding of the geological history of the region.
   这一孔洞的发现使我们对该地区地质历史的理解取得了重大进展。
2. 2. The medical team carefully examined the patient's body and found the foramen, which was blocked with pus.
   医疗团队仔细检查了患者的身体状况，发现了被脓液堵塞的孔洞。
3. 3.The foramen is located at the base of the skull, where it connects to the brain.
   这个孔位于颅骨底部，与大脑相连。