vegetative cell
- vegetative cell的基本解释
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营养细胞
- 更多网络例句与vegetative cell相关的网络例句 [注：此内容来源于网络，仅供参考]
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The ultrastructure characters of pollen grain in Brassica napus are:1There are vacuoles in cytoplasm but no starch grain in uniceelluar pollengrain.2The veget- ative nucleus of bicellular pollen grain is generally spheroidal;while the generative cell is spinde-shaped,with a big nucleus,thin layer of cytoplasmand few cell orgens,no cell wall.3In three-celled pollen grain the sperm cell is separated from the cytoplasm of vegetative cell by two layers of plasmic membrances.
Brassica napus的花粉粒，在不同发育时期超微结构的特征如下：1单胞花粉粒有一个球形的细胞核和明显的核仁，细胞质内出现液泡，缺少典型的淀粉粒。2双胞花粉粒的营养核多为球形。生殖细胞纺锤形，无细胞壁，细胞核比例大，细胞质呈薄层，细胞器少。3三胞花粉粒有一个裂片状的营养核和两个纺锤形的精细胞，精细胞无壁，以两层质膜与营养细胞的细胞质相隔。
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Mature trinucleate pollen grains showed a vegetative cell and two sperm cells, each sperm cell separated from the vegetative cytoplasm by two continuous membranes that enclosed the cytoplasm and nucleus.
成熟花粉为三细胞型，含有1个营养细胞和2个精细胞。
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During two-celled pollen grain stage, they were accumulated on the wall of the generative cell. After the generative cell came into the vegetative cell, ppts largely disappeared.
二胞花粉刚形成的生殖细胞表面呈现大量的ATPase反应颗粒，当生殖细胞脱离花粉内壁移入营养细胞，ATPase反应颗粒基本消失。
- 更多网络解释与vegetative cell相关的网络解释 [注：此内容来源于网络，仅供参考]
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male gametophyte：雄配子体
花粉(pollen)是种子植物的雄配子体(male gametophyte),产生雄配子(精子)(male gametes). 被子植物的花粉是只包括3个细胞的球形结构,即一个营养细胞(vegetative cell)、2个精子(雄配子),具有坚硬、稳定的花粉壁和萌发孔(萌发沟).
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vegetable tallow：植物(硬)脂
植物脂 vegetable stearin | 植物(硬)脂 vegetable tallow | 营养细胞 vegetative cell
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vegetative hyphae：营养菌丝
营养细胞 vegetative cell | 营养菌丝 vegetative hyphae | 营养菌丝体 vegetative mycelium