secondary phloem meaning in Chinese
次生韧皮部
次生韧心皮部
后生韧皮部 凡由后生分生组织分裂产生之韧皮部
Examples
- In nonwoody plants it is the only food - conducting tissue , but in mature plants with secondary growth this function is taken over by the secondary phloem
在尚未木质化的植物中，它是唯一的输送有机营养的组织，但在具有次生生长的成熟植物体中，该功能由次生韧皮部行使。 - Albuminous cell 1 . a vertically elongated parenchyma cell , found in groups in the rays of the secondary phloem in gymnosperms , where they are associated with sieve cells
蛋白质细胞： 1 .在裸子植物的次生韧皮部薄壁组织和韧皮射线中发现的1种垂直伸长的细胞，通常与筛胞相结合。 - We have observed the following characteristics of anatomical structure and development : ( 1 ) the primary roots belong to archetype and the lateral roots occur in the position toward the xylem of the vascular cylinder ; ( 2 ) the root endodermis consists of thicken casparian strips , and there are from two lo four layers parenchyma cells near the pericycle ; ( 3 ) the pith and resins canals are absent in the toots ; ( 4 ) secondary structure occurs in the root hair zone , and vascular cambium is formed from the parenchyma cells between the primary xylem and primary phloem ; ( 5 ) tanning materials are abundant in pericycle cells and phelloderm cells ; ( 6 ) sclereids are found in secondary phloem , and rays are rather rich in secondary xylem
结果表明：气生不定根具有以下结构特征和发育特点： ( 1 )根为二原型，侧根正对着木质部发生； ( 2 )幼根内皮层细胞具凯氏带加厚，维管柱内紧挨中柱鞘内侧具有2 ~ 4层大型薄壁细胞； ( 2 )根中无髓和树脂道； ( 4 )次生结构发生于根毛区，维管形成层由初生木质部和初生韧皮部之间的薄壁细胞转化形成； ( 5 )中柱鞘和栓内层细胞富含单宁类物质； ( 6 )次生韧皮部有石细胞，次生木质部射线发达。 - The secondary phloem parenchyma cells and secondary phloem ray parenchyma cells were the preferential sites for protein storage to the xylem parenchyma cells whereas a large amount of vegetative storage proteins was present in xylem , especially in the primary xylem and the inner secondary xylem of the extended stems
营养贮藏蛋白质优先在次生韧皮部的韧皮薄壁细胞和韧皮射线薄壁细胞中积累，在新梢伸长生长停止后，新梢基部茎的木质部中也积累了相当数量的营养贮藏蛋白质，主要分布在初生木质部和内侧次生木质部的各种生活的薄壁细胞中。 - The protein accumulated mainly in secondary phloem parenchyma cells and secondary phloem ray cells . the degradation of storage protein in terminal branchlets of swietenia macrophylla synchronized with new shoot growth after leaf - absent period , suggesting that the protein was utilized to support the growth of new shoots . when the diminishing of the storage protein below the girdled site was blocked , the new shoot growth was also restrained
在树木新的年生长周期中，随着新梢的发育，积累在末端小枝中的贮藏蛋白质开始被消耗新梢叶片成熟时，末端小枝中的18kda和21kda蛋白质己完全消失，而树干和大根中的这两种蛋白质的含量相对稳定，与落叶期相比几乎没有变化。