韧皮射线
- 网络Phloem ray;phloemray
![韧皮射线](../cache/1416172.jpg)
-
在根中,草酸钙簇晶分布于皮层、韧皮射线、木射线的薄壁细胞中。
In root , clusters of calcium oxalate distribution in parenchyma cells of the cortex , phloem ray and wood rays .
-
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。
They were accumulated in the large central vacuoles of secondary phloem parenchyma cells and secondary phloem ray cells .
-
类型Ⅰ:筛管分子端壁倾斜,筛域数多,都为复筛板,韧皮射线大多为单列。卫矛属(Euonymus)的5种植物属于这一类型;
In type ⅰ, as seen in 5 species of Euonymus , the sieve tube elements have more inclined end walls and numerous sieve areas ( compound sieve plates ), phloem rays are almost uniseriate .
-
分裂分化形成的不定根沿着韧皮射线向皮层延伸;
The adventitious roots develop via the pith ray into the cortex ;
-
根原基发端细胞不断分裂成具有方向性的根原基,根原基穿过韧皮射线和皮层,向皮孔或下切口方向发展;
Growth and development of the root primordium ;
-
结果:光果葶苈的根部有次生构造,木质部射线较韧皮部射线宽广;
Results : The results showed that there were secondary structure in the root , and xylem ray were wider than phloem ray .
-
白皮松的根原始体属于诱导原始体,产生于维管形成层、韧皮组织与髓射线的交叉区域;
The root primordium of Pinus bungeana belongs to induced primordium , which is formed from the cross region of vascular cambium , phloem tissues and pith rays .
-
在叶中,皂苷类成分主要存在于叶肉的栅栏组织和海绵组织;在茎中,主要存在于韧皮部、髓和髓射线中;在根中,主要存在于韧皮部和髓射线中。
There are mainly in the palisade tissue and spongy tissue of leaves and pith and pith ray of stems and phloem and pith ray of root .
-
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。
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 .
-
显微解剖椴树产卵室和受害韧皮组织,观察其卵室和卵的变化情况,揭示了韧皮射线与髓射线流出物不仅作用雏形卵室,而且直指卵表面及卵孔。
Through anatomizing oviposition room and damaged phloem tissue in Tilia mongolica and observing the changing situation of oviposition room and eggs , phloem ray and outflow from medullary ray not only play role on miniature oviposition room , but also directly point towards surface of egg and micropyle .
-
次生韧皮部由垂直系统的筛管、伴胞、韧皮薄壁细胞、石细胞、乳汁道以及水平(径向)系统的韧皮射线组成。
The vertical system of secondary phloem consists of sieve tubes , companion cells , parenchyma cells , stone cells and secretory ducts , and radial system were composed with the phloem rays .