柔组织薄壁组织
Therefore, the secondary structure included periderm, pericyclic parenchyma tissue and secondary vascular tissue from the outside to the inside of taproots of Bupleurum chinense DC.
因此,北柴胡根的次生结构从外到内由周皮、中柱鞘薄壁细胞环和次生维管组织组成。
With the progressive development of stem, the activity of vascular cambium began. The fascicular cambium differentiated into secondary xylem and secondary phloem, while the interfascicular cambium only differentiated into wide ray of parenchyma tissue.
随着茎的继续发育,维管形成层开始活动,由束中形成层产生次生韧皮部和次生木质部分子;而束间形成层仅产生薄壁细胞组成宽的射线。
There are3 to6 layers of tangential conjunctive parenchyma tissue calls between two rings of anomalous bundles.
两相邻轮的异常维管束由3-6层切向溥壁结合组织细胞分隔;
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