The vascular has one or three flats cells.The cork cambium originated from the pericyclic cells and created multi layer of phelloderm parenchyma cells.

 
  • 木栓形成层由中柱鞘细胞恢复分裂能力而形成,并且产生多层栓内层薄壁细胞。
今日热词
目录 附录 查词历史