Let's learn something about angulus oris.
让我们学习一些关于口角的知识。
The origin of the maxillary artery 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。
The origin of the maxillary artery 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。
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