There was short of plasmodesma between SE and CC, between SE/CC complexes and between SEs and phloem parenchyma cells;
筛分子（SE）与伴胞（CC）间、SE CC复合物之间、筛分子与韧皮薄壁细胞间缺少胞间连丝。
They were accumulated in the large central vacuoles of secondary phloem parenchyma cells and secondary phloem ray cells.
这些蛋白质积累在韧皮薄壁细胞和韧皮射线细胞的中央大液泡里。
So the aloin cells were special phloem parenchyma cells because they Shared the same origin with the other phloem cells.
据此，芦荟叶维管束内的大型薄壁细胞的来源与韧皮部相同，属于特化的韧皮部薄壁组织细胞。
In the axial systems, the phloem consists of sieve cells, phloem parenchyma cells, albuminous cell and phloem fibers. In the radial systems, it consists of phloem rays.
轴向系统由筛胞、韧皮薄壁组织细胞、蛋白细胞和韧皮纤维组成，径向系统由韧皮射线组成。
The crystalloid clusters exist in the cortex, phloem parenchyma and pith cells.
皮层、韧薄壁组织细胞和髓中富含晶簇。
Secondary structure occurs in the root hair zone, and vascular cambium is formed from the parenchyma cells between the primary xylem and primary phloem;
次生结构发生于根毛区，维管形成层由初生木质部和初生韧皮部之间的薄壁细胞转化形成；
Secondary structure occurs in the root hair zone, and vascular cambium is formed from the parenchyma cells between the primary xylem and primary phloem;
次生结构发生于根毛区，维管形成层由初生木质部和初生韧皮部之间的薄壁细胞转化形成；
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