又叫表情肌，系颜面的皮肌。面肌起自颅骨，止于面部皮肤。此肌收缩时面部出现皱褶改变口裂、眼裂形状，以表达喜、怒、哀、乐等各种感情，并参与语言和咀嚼等活动。面肌主要分布在眼、鼻、口周围，呈环状或辐射状，环状肌有关闭裂孔的作用，辐射状肌有开大裂口的作用。肌肉有额肌、颞肌、颊肌、枕肌、口轮匝肌、眼轮匝肌等。面肌受面神经支配，故面神经损伤出现面神经麻痹，其中周围性麻痹与中枢性麻痹表现不同。
... (1)Muscles of Head头肌 1)Facial Muscles面肌 Epicranius（occipitofrontalis）颅顶肌（枕额肌） ...
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... musculus extensor 伸肌 musculus facialis 面肌 musculus pupillaris 瞳孔肌 ...
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... musculi dorsi 背肌 musculi faciales 面肌 musculi infrahyoidei 舌骨下肌 ...
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... masticatory ৵ muscles 咀嚼肌 facial l muscles 面肌 deltoid d muscle 三角肌 ...
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面肌痉挛 HFS ; facial spasm ; mimic convulsion ; facial tic
面肌抽搐 facial tic
表面肌电信号 SEMG ; Surface electromyography ; surface EMG
表面肌电图 SEMG ; Surface electromyography ; surface electromyogram
头面肌瘫痪 cephaloplegia
面肌失用 facial apraxia
面肌电图 electromyogram of face ; surface electromyography ; SEMG ; surface electromyogram
面肌电信号 surface electromyography ; surface electromyogram ; surface EMG ; surface electromyography signal
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目的：研究显微血管减压术治疗面肌痉挛的疗效和安全性。
Objective: To observe the efficacy and safety of microvascular decompression for hemifacial.
结论局部注射A型肉毒素可作为治疗面肌和眼睑痉挛的新方法。
Conclusions Local injection of kreotoxin A is a new method in the treatment of facial spas and blepharospasm .
面神经由茎乳孔出颅后，经腮腺、咬肌和颊区三段分布于面肌。
Facial nerve was divided into three segments (parotid gland, masseter and cheek) after leaving skull from stylomastoid foramen.
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