Close association of t cells and B cells within lymphoid organs is essential to immune function.
淋巴器官内T细胞和B细胞的密切联系对免疫功能是非常关键的。
The NK cell is the third lymphocyte, except T, B cells and a kind of cell subgroup having a unique function.
NK细胞是除T、B细胞之外的第三类淋巴细胞，具有独特功能的细胞亚群。
Cholera toxin B can enhance the activation of dendritic cells mature, its immune function from the positive regulatory role.
结果显示霍乱毒素B能增强树突状细胞的活化与成熟，对其免疫学功能起正性调节作用。
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