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1·The organ is penetrated with vascular tissue.

根瘤的器官内有维管组织穿过。

2·A stele that has a solid core of vascular tissue.

种有管状组织的实心中柱。

3·This differentiates into the vascular tissue of the developing leaf.

这与发育中叶的维管组织不同。

4·Objective To study the method for vascular tissue engineering in vitro.

目的研究体外构建组织工程血管的方法。

5·Now many vascular bioreactors are used for functional vascular tissue development.

目前许多血管生物反应器在组织工程血管重建中得到广泛应用。

6·Procambium (procambium strand) The layer of cells that gives rise to the vascular tissue.

原形成层（原形成层束）：形成维管组织的一层细胞。

7·Objective To provide cells resource for experimental study on vascular tissue engineering.

目的为培养组织工程化血管的实验研究提供细胞来源。

8·Primary vascular tissue, which is found in all vascular plants, is formed from the procambium.

初生维管组织由原形成层发育而来，在所有维管植物中都有存在。

9·The secondary structure of rhizome include epiderm, cortex and vascular tissue, pith ray is developed.

根状茎的次生结构由外向内为表皮，皮层和维管柱，髓射线发达。

10·These bundles will become part of the vascular tissue of the stipels at the base of the individual leaflets.

这些维束管在各个小叶基部将成为托叶的维管组织部分。