天气预报 > 教育 > 双子叶根进行次生生长的过程
双子叶根进行次生生长的过程
更新时间: 2021-04-01 04:45:26  

1、双子叶根在进行次生生长时,维管中的原始细胞会纵向生长,细胞壁会发生分裂现象,形成次生的木质部细胞,原始细胞的数量也会增加。

2、木栓的形成层上,会依次在皮层部分进行分裂,形成新的韧皮部组织细胞,促进光合作用和养分运输。

关键词: 子叶 进行 次生 生长 过程

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