配子体的
- 与 配子体的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Cytogamy The fusion of gametes during fertilization.
细胞融合:通过受精作用达到的配子体的融合。
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In higherplants,the development of flower is a very complex process,which involves thetransition from vegetative tissueto floral tissue,themorphogenesis of flower and the development and differentiation of gametocyte.
在高等植物中,花的发育是一个非常复杂的过程,涉及到由营养分生组织向花分生组织的转变,花的形态建成以及雌、雄配子体的发育和分化。
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The primary results could be summarized as follows: The result of flower developing showed that the flower bud morphological differentiation way is form a leaf bud with a flower bud; The process of microspore occurring and male gametocyte development is normal,the development of anther wall is elementeny type.
结果如下:花发育的研究表明,安祖花的花芽分化是以一叶芽一花芽的方式进行;小孢子与雄配子体的发育过程均属于正常发育,花药壁的发育属于基本型,绒毡层细胞属于腺质绒毡层,成熟的花粉粒为2-细胞型。
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Homospory The production of only one kind of asexual spore, which then develops into a hermaphrodite gametophyte, in the vascular plants the condition is seen in most ferns, psilophytes, and Lycopodium species.
孢子同型:是只产生一种无性孢子并发育为雌雄同体配子体的现象。在维管植物中,很多蕨类,裸蕨和石松属的植物中常见。
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Comparative studies of embryology of Camellia : sporogenesis andgametogenesis of C.oleifera, C.japonica and C.ptilophylla were watched carefullyunder LM by means of paraffin slides.
山茶属的比较胚胎学研究:通过石蜡切片,用光学显微镜观察油茶、山茶和毛叶茶C.ptilophylla的大小孢子的发生和雌雄配子体的发育;全面总结山茶属的胚胎学资料,从比较胚胎学角度探讨山茶属的系统学问题。
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The investigation of the structures of reproductive organs,megasporogenesis,microsporogenesis and the development of male and female gametophyte in Dendrocalamus sinicus are made using normal paraffin method in this article.
通过石蜡切片的方法对巨龙竹生殖器官结构、大小孢子的发生和雌、雄配子体的发育过程进行了观察研究。巨龙竹为一心皮组成的单室单子房,子房内具有一个胚珠,倒生、双珠被、厚珠心。
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Antheridia occurred in the cushion on the dorsal and ventral surfaces of gametophytes while archegonia were observed on the ventral surface only. On hermaphroditic gametophytes, antheridia and archegonia were usually intermingled. Both types of gametangia were eusporangiate.
藏精器与藏卵器分别在孢子洒播10及12月后发生;藏精器长在中肋的背面及腹面,藏卵器只在腹面发生;两性配子体的藏精器与藏卵器混生一起,两者均属厚囊蕨型。
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When attacked by this isolate, the color of young Porphyra gametophytes turned green.
当遭到此菌侵害时,幼苗期的紫菜配子体的颜色变绿。
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The temperature affects the sustained time of secondary sporogenous cell split, the sustained time of microspore mother cell, formation speed and regular of male gametophyte.
温度影响次生造孢细胞持续分裂的时间、小孢子母细胞的持续时间及雄配子体的形成速度和整齐度。
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Most female gametes have two synergids that play a key role during fertilization in more than 80% angiosperms.
助细胞是被子植物雌配子体的组成细胞之一,是大多数被子植物完成受精作用的关键环节之一。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力