Venula nasalis retinae superior

例句：

1. 1.The doctor performed an operation on the patient's upper jaw to relieve his pain.
   医生为患者的上颌进行了手术，以缓解他的疼痛。
2. 2. During the surgery, the surgeon carefully dissected the superior maxillary artery to avoid damaging it.
   在手术过程中，外科医生小心地解剖了上颌动脉，以避免损伤它。
3. 3. After the procedure, the patient was monitored closely to ensure that the superior maxillary artery remained undamaged.
   手术结束后，患者被密切监测，以确保上颌动脉未受损。