目的：为鼻中隔严重出血功能性鼻内窥镜引导下筛动脉结扎提供解剖学基础。
Objective: to provide anatomic basis for the treatment of severe bleeding of nasal septum by ligating ethmoidal artery with functional nasal endoscope.
穿过蝶腭孔的动脉有蝶腭动脉，或其分支鼻后外侧动脉和鼻中隔后动脉。
The arteries going straight through the sphenopalatine foramen were the sphenopalatine artery or its branches.
穿过蝶腭孔的动脉有蝶腭动脉，或其分支鼻后外侧动脉和鼻中隔后动脉。
The arteries going straight through the sphenopalatine foramen were the sphenopalatine artery or its branches.
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