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- Companion cell An elongated thinwalled cell cut off longitudinally from the same meristematic cell as the SIEVE ELEMENT with which it is closely associated. 伴胞:与筛管分子侧面相邻的一种细胞,和筛管间有密集胞间连丝,它与筛管是由分生组织的同一个母细胞不均等分裂发育而成。
- Competence A characteristic of embryonic cells and meristematic cells whereby they have the potential to differentiate into any of several different types of cell. 感受态:胚胎细胞和分生组织细胞具有的一种生理状态,它们可以具有分化为各种类型细胞的能力。
- Calyptogen A layer of meristematic cells covering the root apical meristem in some plants(e.g. grasses) that gives rise to and maintains the root cap. 根冠原:在一些植物中覆盖根顶端分生组织的一层具有分生能力的细胞,根冠原可以产生和维持根冠。
- It may develop by thickening of the secondary walls of parenchyma cells, or it may arise directly from meristematic cells. 它们可能由薄壁组织的细胞壁次生加厚而成,也可能直接来自于分生组织细胞。
- Some of the meristematic cells in the root cap under clinstatic condition transformed into statocyst cells, which senesced and were not transformed into secretory cells. 旋转植株根冠的分化组织细胞转化为平衡囊细胞,但不能继续转化为分泌细胞,而直接老化,故无胞吐作用。
- Wang J B,Li Y S,Li R Q.Changes of distribution in root apical meristematic cells of wheat under aluminum stress[J].Acta Ecol.Sin.,2001,21(8):1246-1250. [1]王建波;李阳生;利容千.;铝胁迫下小麦根尖分生细胞分布变化[J]
- dynamics of meristem cell populations 分生组织细胞种群动力学
- The damage effects of 1,2,4-trichlorobenzene (1,2,4-TCB) on the chromosome abnormalities in root meristematic cells of A. sativum seedlings were studied. 摘要通过1,2,4-三氯苯(1,2,4-TCB)对大蒜幼苗的水培试验,研究了不同浓度1,2,4-TCB对大蒜根尖分生细胞染色体异常的诱变作用。
- the Root-tip Meristematic Cells in Wheat 小麦根端分生细胞
- A storage cell in some amorphous memory devices. 某些非晶体存储器中的一个存储单元。
- She was found prostrate on the floor of the cell. 有人发现她趴在小屋的地板上。
- The prisoner rapped out a message on the cell wall. 那囚犯敲打囚室的墙来传达讯息。
- Electron microscopic observation of nucleolar channels in root-tip meristematic cell nuclei of common wheat 小麦根端分生组织细胞核中核仁通道结构的电镜观察
- The prisoner raped out a message on the cell wall. 那囚犯敲打囚室的墙来传达讯息。
- The growth of successive layers of a cell wall. 敷着,附着细胞壁连续层的生长
- Influence of Hot Saline Solutions on the Cell Nuclei and Chromosome Structure of Wheat Root Meristematic Cell 热盐处理对小麦细胞核和染色体结构的影响
- The prisoner was locked in a cell. 那囚犯被关在单人牢房内。
- The prisoner paced the floor of his cell. 那犯人在牢房里来回地走著。
- The stage was designed to imitate a prison cell. 舞台设计成牢房的样子。
- The epidermis arises from the tunica meristem. 表皮来源于分生组织近外方的细胞。