结论：内釉上皮首先表达成釉蛋白，之后前成牙本质细胞达成釉蛋白。

CONCLUSION: Ameloblastin is expressed in internal enamel epithelial primarily, and then in odontoblasts.

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结论：内釉上皮首先表达成釉蛋白，之后前成牙本质细胞达成釉蛋白。

CONCLUSION: Ameloblastin is expressed in internal enamel epithelial primarily, and then in odontoblasts.

youdao