trigonum lemnisci

例句：

1. 1.The patient experienced severe pain in the trigeminal nerve area.
   患者感到三叉神经区域剧烈疼痛。
2. 2. The surgeon removed the trigeminal nerve to relieve the patient's pain.
   外科医生切除了三叉神经以缓解患者的疼痛。
3. 3. The patient was diagnosed with a tumor affecting the trigeminal nerve.
   患者被诊断出患有影响三叉神经的肿瘤。