切除肥大扁桃体后，于腭咽弓上极向外上方剪开，达肌层，形成软组织瓣。
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。
The superior pharyngeal constrictor assists in gaining velopharyngeal closure, while peristaltic movement of food is facilitated by the middle and inferior pharyngeal constrictors.
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