mandibular arch

• 下颌弓

mandibular arch的用法和样例：

例句

1. The epithelium of the mandibular arch changed from monolayer to polylayer with accumulation of keratose in some arches.
   下颌弓表面上皮由培养前的单层扁平上皮发育为为复层鳞状上皮，少部分下颌弓表面有角化物堆积。