Results: Orbicularis oris muscles had deep and superficial layers.
结果：口轮匝肌分深浅二层。
The zygomaticus minor and orbicularis oris secondarily provide lateral wall stability.
颧小肌和和口轮匝肌则辅助维持外侧壁稳定。
The zygomaticus minor and orbicularis oris secondarily provide lateral wall stability.
颧小肌和和口轮匝肌则辅助维持外侧壁稳定性。
Objective: To explore the morphological changes in orbicularis oculi muscle and orbicularis oris muscle after denervation.
目的：探讨不同程度失神经支配后，眼轮匝肌和口轮匝肌的形态学变化。
The origin of the maxillary artery was located and delimited according to a designed line from incisure intertragica to angulus oris.
根据耳屏间切迹到口角联线来确定上颌动脉起始部位。
Buccal soft tissues were remained as far as possible, functional muscle trimming was done to repair ring structure of musculus orbicularis oris.
尽量保留颊部软组织，行肌功能修整，恢复口轮匝肌环形结构；
The depressor anguli oris muscle depress the corner of the mouth, the mentalis muscles pulls the lower lip out, and the platysma depresses the mandible.
降鼻翼肌可将嘴角下拉，颏肌可让下唇向外伸展，颈阔肌可使下颔下移。
The depressor anguli oris muscle depress the corner of the mouth, the mentalis muscles pulls the lower lip out, and the platysma depresses the mandible.
降鼻翼肌可将嘴角下拉，颏肌可让下唇向外伸展，颈阔肌可使下颔下移。
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