切断皱眉肌时宜在直视下仔细操作以减少对滑车上神经的损伤。
When amputating the corrugator, we should operate carefully under direct vision to avoid damaging superaortibal nerve.
方法：对10例（20侧）防腐人头标本进行头面部逐层解剖，观察面部脂肪分布与眶上血管神经、滑车上血管神经、面神经的走行特点。
Methods Anatomical study was performed on 20 sides of 10 head specimens, observing distributions of fat tissues and facial nerves.
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