A periodontal ligament.

• 牙周韧带

A periodontal ligament.的用法和样例：

例句

1. Conclusion There were differences between the periodontal ligament cells and gingival fibroblasts in synthesizing or secreting of Collagen matrix.
   结论牙眼成纤维细胞与牙周韧带细胞胶原基质的合成或分泌存在差异，这种差异可作为鉴别两种细胞的标志之一。