英语词汇“pollen tube”字怎么读，pollen tube的拼音、意思释义、用法及组词造句例句翻译-英语翻译词典-学习充电-依恋情感网

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词汇	pollen tube
分类	英语词汇英语翻译词典
释义	pollen tube 英汉-汉英词典 n. 花粉管词组 \| 习惯用语您要查找的是不是： pollen tube morphology 花粉管形态 pollen tube ectotropic 外向花粉管 incompatible pollen tube 不亲和花粉管 pollen tube nuclei 花粉管核 pollen tube competition 花粉管竞争 pollen tube cell 花粉管细胞 pollen tube guidance 花粉管导向 pollen tube channel 花粉管通道法 pollen tube n. [植] 花粉管 pollen tube nucleus 花粉管核英语例句库 Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms. 在被子植物花粉管中的生殖细胞（应为雄原核译者注）分裂成两个配子的核。声明：以上例句、词性分类均由互联网资源自动生成，未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。原声例句科学杂志：科技 They took their inspiration directly from nature, observing movement patterns in fungal hyphae, brain neurons, and pollen tubes. 他们直接从大自然中汲取灵感，观察真菌菌丝、脑神经元和花粉管的运动模式。中文百科花粉管花粉管为种子植物的雄性配子体的一部分。它位于花粉粒的内壁与外壁之间，当花粉附着在雌蕊上时，会萌发为3个细胞的花粉管，并将两个精细胞送入位于子房内的卵细胞，以完成受精过程。被子植物中，花粉管会运送两精核至胚囊，一个与卵细胞结合成2n的合子，另一与极核结合成3n的胚乳，为双重受精，合子会发育成种子中的胚（幼孢子体），胚乳核发育成种子的胚乳，并作为养分。英语百科 Pollen tube 花粉管 A pollen tube is part of the male gametophyte of seed plants. It acts as a conduit to transport the male gamete cells from the pollen grain, either from the stigma (in flowering plants) to the ovules at the base of the pistil, or directly through ovule tissue in some gymnosperms. In maize, this single cell can grow longer than 12 inches to traverse the length of the pistil. 近义、反义、联想词近义词 n. plant part, plant structure 英英词典 pollen tube n. (botany) a slender tubular outgrowth from a pollen grain when deposited on the stigma for a flower; it penetrates the style and conveys the male gametes to the ovule
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