纺锤状木质部薄壁细胞 fusiform wood parenchyma cell
初生木质部与初生韧皮部之间可见到2—3层排列规则或不规则的薄壁组织细胞，但是没有维管形成层的发生。
Between primary xylem and primary phloem there are 2-3 layers of parenchymatous cells, regularly or irregularly arranged, but no cambial zone can be recognized.
伸向子叶的子叶迹，直接由原生木质部极外面的一群薄壁组织细胞分化形成。
The extending cotyledon traces differentiate directly from the parenchymatous cells which locate on the outside of the poles of primary xylem.
维管束由维管束鞘、木质部、韧皮部和大型薄壁细胞组成。
The vascular bundle consists of vascular bundle sheath, xylem, phloem and big parenchymatous cells.
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