Objective: to provide anatomical basis in stopping clinical obstinate bleeding of posterior nasal by ligation of maxillaryartery through the posterior sinus.
目的：为临床顽固性鼻后部出血经上颌窦后壁径路上颌动脉结扎止血提供解剖学基础。
2
The origin of the maxillaryartery was located and delimited according to a designed line from incisure intertragica to angulus oris.
根据耳屏间切迹到口角联线来确定上颌动脉起始部位。
3
Objective:To provide anatomy data for embolization at third portion of internal maxillaryartery and endoscopic surgery approach to pterygopalatine fossa.