n.[解]嚼肌；咬肌

The masseter muscle is one of the most sensitive muscles, and trismus is one of the earliest symptoms. 咬肌是最敏感的肌肉之一，張口困難是最常見的早期癥狀之一。

Masseter hypermyotrophy had been reported early in 1930 and 1942, but the etiopathology is not clear. 咬肌肥大畸形是整形外科常見的畸形之一，雖不影響功能，但由于面部不協(xié)調(diào)，影響美觀，病因至今仍然未明。