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| 降下唇肌 (菱形的扁肌,外侧部位于降口角肌深面，起自下颌骨，止于下唇,作用为使下唇下降，并使面部出现惊讶和愤怒的表情。该肌受面神经的下颌缘支支配) | |||
| 降下唇肌; 下唇降肌; 下唇方肌 | |||
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