pharyngeal constrictor

• 咽缩肌

pharyngeal constrictor的用法和样例：

例句

1. The superior pharyngeal constrictor assists in gaining velopharyngeal closure, while peristaltic movement of food is facilitated by the middle and inferior pharyngeal constrictors.
   咽缩上肌辅助颚咽的闭锁，而咽上缩肌和咽缩中肌使食物蠕动较容易。