anterior palatine canal

例句：

1. 1.The anterior palatine canal is a small, hidden passageway in the roof of the mouth.
   前腭管是口腔顶部一个微小的隐蔽通道。
2. 2. During surgery, the anterior palatine canal is blocked to prevent infection.
   在手术期间，前腭管被阻塞以防止感染。
3. 3. The patient had difficulty breathing due to swelling in the anterior palatine canal.
   患者由于前腭管肿胀而呼吸困难。