A.三角肌 B.上唇方肌 C.笑肌 D.顴肌 E.尖牙肌
A.頰肌 B.口輪匝肌 C.眼輪匝肌 D.提上唇肌 E.笑肌
A.蝶腭神經(jīng) B.顳深神經(jīng) C.翼外肌神經(jīng) D.咬肌神經(jīng) E.頰神經(jīng)