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上颌骨额突 [shàng hé gǔ é tū]
frontal process of the maxilla
- 上颌骨额突由梨状孔和泪嵴向头侧方向伸出，与额骨和鼻骨相接。
The maxillary processes extend in a cephalad direction form the piriform aperture to the lacrimal crest, uniting with the frontal and nasal bones. - 在上颌骨额突从梨状孔向鼻根沿鼻腔外侧壁走行过程中存在着一骨厚度移行区。
A transition zone of bony thickness exists along the frontal processes of the maxilla from the piriform aperture to the radix along the lateral nasal wall. - 骨性穹隆由一对鼻骨和上颌骨额突构成，好似一个支架，支撑着鼻上部和上外侧软骨。
Consisting of the paired nasal bones and the ascending frontal process of the maxilla, the vault acts as a cantilever, supporting the upper nose and the upper lateral cartilages.
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