Nasal process of premaxilla forms the whole posterior margin of the naris.
背突构成整个外鼻孔的后缘。
2
Materials and method: 34 cases of lymphoma in nasal cavity were analyzed according to CT manifestations with regard to size, density, shape and margin of the tumor and bone changes.
材料和方法：回顾性分析34例鼻腔淋巴瘤的CT表现，对肿瘤范围、密度、形态边缘和骨质情况进行分析。
3
The results are as follow: 1. In the unilateral complete cleft lip, superior labial artery runs along the labial margin and cleft edge, ending in base of nasal wing on the lateral side.