Active rule of cork cambium is different in different trees, so form the many types of bark. 由于木栓形成层活动的规律不同,所以出现有各种各样的树皮。
Cambium temperature of SE bark was clearly higher than that of NU bark during daytime, but was slightly lower at night. 白天树干阳面形成层温度高于阴面,夜间阴面温度略高于阳面;
In theory, any two plants that are closely related botanically and that have a continuous cambium can be grafted. 理论上,两个近缘的并有连续的形成层的植株均能进行嫁接。
The vascular cambium is located between the xylem and the phloem. 维管形成层位于木韧之间。
One must be able to differentiate between cambium and heartwood when buying furniture. 买家俱的时候,一定要分辨边材和心材。
After vascular cambium cells divide, the progeny cells on the interior side become xylem parental cell. 维管形成层细胞分裂后,在内侧分裂出来的细胞成为木质部的母细胞。
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。
Cambium The ring of dividing cells ( meristem) responsible for lateral growth in plants. 和植物生长有关的具有分裂能力的细胞层。
Meanwhile, paraffin-cut section method was used for studying on callus formation, cork cambium and vascular cambium initiation. 同时,运用石蜡切片法研究剥皮后愈伤组织的形成、木栓形成层和维管形成层的发生;
Newly formed outer wood lying between the cambium and the heartwood of a tree or woody plant; usually light colored; active in water conduction. 树木或木本植物形成层和心材之间的新生木质,通常色泽浅,水分传导性强。
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。
I raise the possibility of rhabdomyosarcoma with characteristic cambium layer under normal epithelia and possible "strap" cells. 肉瘤成分可能是横纹肌肉瘤,因为正常上皮下方见到特征性的生发层和可疑“带状细胞”。
Acropetal differentiation of the cambium layer continues as the primary root elongates. 形成层的向顶分化像初生根伸长一样在继续进行。
The flow of food and water between the roots and leaves is accomplished by layers of cells formed by the cambium. 由形成层构成的细胞层,负责在根和叶之间运输食物和水分。
, 6-BA induced the division of vascular cambium and cortex cells. 6-BA诱导维管束中发生形成层以及诱导皮层细胞启动。
Vascular cambium has formed, but the secondary structure is far from developed. 维管形成层已经形成,但次生结构尚不发达。
Before xylem mother cells reactivated completely, the dividing fusiform cells in cambium and new phloem cells had appeared at the same time. 在木质部母细胞完全恢复活动之前,形成层纺锤状原始细胞的分裂和韧皮部细胞的分化已经开始。
The structure of petiole was similar to that of stem and possessed cambium. 早期的叶柄横切面呈马蹄形,与幼茎的结构相似,具有形成层。
The secondary xylem of tuberous root is well developed, and there is supernumerary cambium around the vessels. 块根的次生木质部发达,导管周围存在额外形成层。
The Guizhou rural economy society development particularity has decided the Guizhou storied cambium advancement socialism new rural reconstruction inevitability. 贵州农村经济社会发展的特殊性,决定了层次性推进贵州社会主义新农村建设的必然性。
Cambium is located mainly between collateral phloem and xylem, the secondary growth is limited. 次生生长时形成层主要存在于外韧皮部和木质部之间,为有限的次生生长。
Roots are different in the width of supernumerary cambium and phelloderm and the cell. 生长龄不同,额外形成层、栓内层的宽度和细胞大小不同。
This system simulated in vivo the processes of cambium occurrence, cell differentiation and xylogenesis. 参照杜仲的剥皮再生经验建立了毛白杨的剥皮再生系统,该过程基本模拟了自然条件下形成层发生、细胞分化及木质部形成的过程。
The main cause of root tuber expanding is that phellogen produces many layers of phelloderm parenchyma cells and vascular cambium produces a lot of secondary vascular tissue that consists of parenchyma. 但在以后的发育过程中,木栓形成层产生了多层栓内层薄壁细胞,维管形成层则产生了大量高度薄壁组织化的次生维管组织,从而形成了肉质膨大的块根。
However, before forming the cork cambium, pericyclic cells produced many layers pericyclic parenchyma cells by periclinal division. 但中柱鞘细胞在形成木栓形成层前,先进行平周分裂,形成了由多层细胞组成的中柱鞘细胞环。
The secondary growth mainly relied on activities of vascular cambium and cork cambium. 次生生长主要是依靠维管形成层和木栓形成层的活动来完成。
The present results indicated the remarkable impact of salt stress on cambium cell activity and secondary xylem cell differentiation of both root and stem. 显微结构观测表明,盐胁迫对根和茎形成层细胞的活动和次生韧皮部和木质部细胞的分化产生显著影响。
It was analysed that the phenomenon was related to the divide and differentiate of vascular cambium cell. 分析此现象可能与维管形成层细胞的分裂分化作用有关。
The cork cambium originated from pericyclic cells that resumed their dividing capabilities. 其木栓形成层由中柱鞘细胞恢复分裂能力而形成。