Results:Besides the branches of anteriorethmoidalartery and dorsal nasal branches of ophthalmic artery, the primary blood supply to the nose was derived from the lateral nasal 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。
2
Conclusion: the origin and intraorbital course of the ethmoidalartery is variable, which is more common in the posterior ethmoidalartery than in the anteriorethmoidal arteries.
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。
3
Results: (1) Most of the anteriorethmoidalartery passed through the roof of the ethmoidal cell in front of the basal lamella (66.6%) or the basal lamella itself (26.7%).