以上来源于: WordNet
N either of two bones situated in the upper jaw between the maxillary bones 前上颌骨
Nasal process of premaxilla forms the whole posterior margin of the naris.
背突构成整个外鼻孔的后缘。
Results: Cephalometric analysis revealed that the premaxilla was moved forward and downward and the length of palatal plane increased.
头影测量分析显示上颌前部得到有效向前、向下移动；腭平面延长。
It can be diagnosed by various details of the premaxilla, nasal, and dentary in the skull and the shape of the distal caudal vertebrae.
它的特征包括其各细节的前颌骨，鼻骨，齿骨，头骨和在尾椎骨末端的形状。
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