细胞因子是一类小分子多肽，通过自分泌和旁分泌传递细胞应答。
Cytokines are polypeptides, and mediate cellular responses through autocrine and paracrine.
结果表明：根瘤菌可诱发根瘤形成部位根段的根毛增生、形变和根外层传递细胞的发育。
The results showed that the hyperplasy of root hair, root deformation and the development of the root epidermal transfer cells were induced by rhizobia.
成熟叶片小叶脉的韧皮细胞发现有大量的金颗粒标记，金颗粒主要标记在传递细胞的细胞壁中。
Many gold particles were distributed over the phloem cells of the fine veins of the mature leaves, and were mainly located in the cell wall of the transfer cells.
首次观察到成熟腺毛头部为具有独特的内突生长的传递细胞，细胞为圆球形，细胞质稠密，细胞核大，内质网发达，液泡较小，细胞壁厚。
We first observed that the head ofmature tentacle contained transfer cells which were pellet shape, thickness cytoplast, large nucleolus, developing endoplasm, small vacuole and thick cell wall.
首次观察到成熟腺毛头部为具有独特的内突生长的传递细胞，细胞为圆球形，细胞质稠密，细胞核大，内质网发达，液泡较小，细胞壁厚。
We first observed that the head ofmature tentacle contained transfer cells which were pellet shape, thickness cytoplast, large nucleolus, developing endoplasm, small vacuole and thick cell wall.
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