轴向系统由管胞和木薄壁组织细胞组成；
Axial and radial systems formed the secondary xylem of the roots.
木薄壁组织为弥漫型，或在较老的木质部中部分为傍管型；
Organization of wooden thin wall is diffuse model, or be in charge of to draw near partly in older xylem model;
油松茎端的皮层薄壁组织和幼茎木薄壁组织中具含树脂细胞分布。
Some resin containing cells are present in parenchym of cortex in shoot apex and xylem parenchym of stem in Pinus tabulaeformis .
与木薄壁细胞相比，韧皮薄壁细胞贮藏大黄多糖量相对较多，大黄多糖的贮藏和积累方式为逐渐累积。
Rhubarb polysaccharide content is greater in phloem parenchyma than in xylem parenchyma. The mode of rhubarb polysaccharide production is gradual accumulation and storage.
韧皮薄壁细胞与木薄壁细胞相比，贮藏大黄多糖的含量相对较多，大黄多糖的贮藏积累方式为逐渐累积的方式。
Rhubarb polysaccharides content was greater in phloem parenchyma than in xylem parenchyma, the mode of rhubarb polysaccharide production was gradual storage and accumulation.
弦切面上木射线与轴向薄壁组织形状、大小均不相同；
The shape and size of wood ray is different form that of longitudinal parenchyma;
弦切面上木射线与轴向薄壁组织形状、大小均不相同；
The shape and size of wood ray is different form that of longitudinal parenchyma;
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