periclinal division

However , before forming the cork cambium , pericyclic cells produced many layers pericyclic parenchyma cells by periclinal division .

但中柱鞘细胞在形成木栓形成层前，先进行平周分裂，形成了由多层细胞组成的中柱鞘细胞环。

The archesporium is divided into a parietal cell and a sporogenous cell , by the periclinal division .

孢原细胞进行平周分裂形成一个周缘细胞和一个造孢细胞。