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- Unlike the companion cells of angiosperms, they are not derived from the same mother cell as the sieve cell. 但与被子植物的伴胞不同,它们不和筛胞起源于一个共同的母细胞。
- There was lots of organelle, such as rib somes, mitochondria in companion cell during the mature stage of SE.Also the plasmodesmata appeared in cell wall between SE and CC. 在筛管成熟期间,伴胞的细胞质较浓,内含辜富的核糖核蛋白体、线粒体等细胞器,与筛管相连的细胞壁上具有胞间连丝。
- 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。
- She looked small by the side of her companion. 她和她的同伴在一起时,她显得矮小。
- Are you alone or with a companion? 你单独一人还是与朋友在一起?
- His brother is not much of a companion for him. 他兄弟与他情趣不甚相投。
- A companion in play or recreation. 游戏伙伴一起游戏或消遣的伙伴
- Jogged her dozing companion with her elbow. 用肘部轻推她打瞌睡的同伴
- Human tissue is made up of cells. 人体的组织是由细胞构成的。
- He led off with his companion in a sort of quick-step. 他和他的舞伴带头跳一种快步舞。
- A tissue is a group of similar cells which have an identical general function. 组织是一组具有相同的一般机能的类似细胞。
- A favored female companion or sweetheart. 女朋友最喜欢的女性同伴或爱人
- Jack, mislead by bad companion, get into the drug habit. 在坏伙伴的诱使下,杰克染上了吸毒癖。
- I'd like to be her intimate friend and good companion. 我愿做她的挚友良朋。
- (5) Aquaporins in the cytoplasm membrane of the parenchyma cell in phloem and the companion cells of vessels in xylem. (5)最近发现的存在于木质部导管伴胞和韧皮部薄壁细胞等质膜中的水孔蛋白在植物水分运输中的调控作用等。
- Animal bodies are made up of cells. 动物的身体是由细胞组成的
- He had always considered her an ideal companion for his son. 他一直以为她是他儿子的理想伴侣。
- I become wiser than my companion because I spend more in oil than they in wine. 我比同伴们聪明,因为我花在灯油上的钱比他们落的酒钱还多。
- A small mass of tissue or aggregation of cells. 结组织的小结块或细胞的聚集
- My companion waited for me at the end of the street. 我的同伴在街道尽头等我。