目的：为鼻内镜下经鼻蝶腭动脉结扎术提供解剖学资料。
Objective: to provide anatomy data for endoscopic transnasal ligature of the sphenopalatine artery.
有的眶下动脉也发出分支到外鼻。
The branch of the infra-orbital artery sometimes reaches to the external nose.
目的：为血管造影下上颌动脉翼腭部栓塞手术及鼻内窥镜翼腭窝区域手术提供解剖学资料。
Objective:To provide anatomy data for embolization at third portion of internal maxillary artery and endoscopic surgery approach to pterygopalatine fossa.
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