泪囊窝与筛前动脉存在三种毗邻关系。
There are three kinds of relationships between the lacrimal sac fossa and anterior ethmoid artery.
结论：筛动脉的起始及眶内走行多变异，筛后动脉变异较筛前动脉多见。
Conclusion: the origin and intraorbital course of the ethmoidal artery is variable, which is more common in the posterior ethmoidal artery than in the anterior ethmoidal arteries.
结果：鼻的血供主要来源于鼻外侧动脉，还有筛前动脉的分支、眼动脉的鼻背支参与。
Results:Besides the branches of anterior ethmoidal artery and dorsal nasal branches of ophthalmic artery, the primary blood supply to the nose was derived from the lateral nasal arteries.
结果：（1）筛前动脉与中鼻甲基板的位置关系密切，多走行于中鼻甲基板之前的紧邻筛房顶（ 66.6% ）及中甲基板顶（ 2 6.7% ） ；
Results: (1) Most of the anterior ethmoidal artery passed through the roof of the ethmoidal cell in front of the basal lamella (66.6%) or the basal lamella itself (26.7%).
结果：（1）筛前动脉与中鼻甲基板的位置关系密切，多走行于中鼻甲基板之前的紧邻筛房顶（ 66.6% ）及中甲基板顶（ 2 6.7% ） ；
Results: (1) Most of the anterior ethmoidal artery passed through the roof of the ethmoidal cell in front of the basal lamella (66.6%) or the basal lamella itself (26.7%).
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