pith rays meaning in English
树心髓线
Examples
- With the different development degree of the stem , the distributions of anthraquinone compounds showed different characteristics in the epidermis , cortex , vascular bundle and pith rays
结论蒽醌类化合物在茎中的分布是多位点的，随着茎发育程度的不同，其表皮、皮层、维管束和位射线中蒽醌类化合物的分布表现出不同的特点。 - More anthraquinone compounds was distributed in pith ray cells and the tissues of mature stem suchas bundle sheaths in large - scale vascular bundle , primary phloem and primary xylem than that in young stem . [ conclusion ] the distribution of anthraquinone compounds in the stem was of multilocus
结果随着茎的不断成熟，在茎的表皮、近表皮的1 ~ 2层皮层细胞及较内部皮层中，不同程度地增加贮藏和积累了一定数量的蒽醌类化合物，成为茎外部贮藏和积累蒽醌共化合物的主要结构部位成热茎大型维管束的维管束鞘、初生韧皮部、初生木质部等组织和髓射线细胞分布了比幼茎多的蒽醌类化合物。