Consisting of the paired nasalbones and the ascending frontal process of the maxilla, the vault ACTS as a cantilever, supporting the upper nose and the upper lateral cartilages.
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。
2
The maxillary processes extend in a cephalad direction form the piriform aperture to the lacrimal crest, uniting with the frontal and nasalbones.
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。
3
The nasalbones average 2.5cm in length, are much thicker and denser above the level of the medial canthus at the radix, and thin progressively toward the tip.