英语语法分析

Cementoblast plays important roles in the progress of root resorption and repair.

成牙骨质细胞在牙根修复过程中具有重要的意义。

Conclusions: SD rat Cementoblast-like has the unique biological characteristic expressing mineral-associated proteins such as OCN and lacking ALP activity.

结论：体外培养的类成牙骨质细胞表达矿化相关蛋白，但几乎没有碱性磷酸酶活性；

Objective: to study the capacity of SD rat cementoblast-like expressing osteocalcin and ALP and investigate the feasibility of forming calcified nodules under the conditional culture.

目的：对SD大鼠磨牙牙骨质的类成牙骨质细胞分泌碱性磷酸酶、骨钙素以及形成矿化结节的能力进行初步研究。