We show that the lingual cervical loop contains a small core of stellate reticulum cells and suggest that it acts as a functional stem cell niche.

我们发现切牙的舌侧的颈环结构内也包括少量的星网状层细胞，推测其可能发挥干细胞龛的作用。

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The anterior and posterior aspects maintained the morphological and molecular characteristics of the cervical loop of a continuously growing incisor, with a continuous layer of ameloblasts.

前方和后方部位具有连续的成釉细胞层，具备切牙颈环的形态和分子特征。

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