管形成层的英文

vascular cambium

• 管:    pipe; tube
• 形成层:    cambium; cambia
• 维管形成层:    vascular cambium

例句与用法

1. Secondary vascular tissue , found only in plants with secondary thickening , develops from the vascular cambium
   次生维管组织由维管形成层发育而来，仅存在于有次生加厚的植物中。
2. Intrafascicular cambium ( fascicular cambium ) the part of the vascular cambium within the vascular between the xylem and phloem
   束中形成层：是位于木质部和韧皮部构成的维管束内的一部分维管形成层。
3. The vascular cambium extends to form a complete ring of meristematic tissue around the stem , the separate vascular bundles being linked by interfascicular cambium
   维管形成层向两侧延伸直至形成一个茎内的分生组织环，各个维管束被束间形成层联系在一起。
4. The storage protein in the trunks and roots diminished dramatically after the new shoot had fully developed and the protein had disappeared completely when the cambia of these organs activated vigorously
   树干和大根中的贮藏蛋白质的动用与各自的维管形成层活动密切相关，它们的大量消失发生在维管形成层活动的高峰期。到ic 。
5. 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。