either of two broad muscles located on either side of the neck and innervated by the facial nerve; extends from lower jaw to clavicle and is involved in moving the mouth and jaw
例句
用作名词(n.)
Reconstruction of the intraoral defect caused by tongue cancer was done for a patient by using a platysma myocutaneous flap.摘要本文描述一位舌癌切除的患者，以颈阔肌肌皮瓣予重建口内组织缺损。
