结果：筛骨嵴位于蝶腭孔的前下方，蝶腭动脉分出的鼻后外侧动脉的前方。
Results: Ethmoidal crest was located infra-anterior to the sphenopalatine foramen and anterior to the lateral posterior nasal arteries.
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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