您要查找的是不是:
- antipodal haustorium 反足吸器
- Three antipodal cells are ephemeral. 反足细胞早期退化消失。
- However the fact is antipodal however. 然而事实却正相反。
- Former strength is slow, latter is antipodal. 前者性子慢,后者正相反。
- Australia and Great Britain occupy antipodal regions. 澳大利亚和英国拥有对拓的地区
- Three nuclei differentiate into the antipodal cells. 三个核分化成为反足细胞。
- Primary endosperm nucleus and the degenerating antipodal cells;8. 7.;初生胚乳核和开始退化的反足细胞;
- With embryo sac haustorium in chalazal end,the embryo sac is Endymion type. 胚囊发育类型为英地百合型 ,合点端形成胚囊吸器。
- The 3 antipodal cells disappeared as the process of double fertilization. 3个反足细胞随受精过程进行而退化。
- And this century the channel of primary and secondary of 30 time is antipodal. 而本世纪三十年代的主次航道则正相反。
- The primary chalazal haustorium ramifies around the vascular tissues of the ovule. 初生合点吸器沿着胚珠的维管组织分支。
- Tuber-like-organ formatin, haustorium formation and bud formation are key steps of C. tubulosa seedling development. 结论:寄生过程遵循种子萌发长出芽管,接触寄主根形成吸器并侵入寄主根,管花肉苁蓉幼体出现3个阶段。
- The haustorium cellularizated from the micropylar end to chalazal end at the later globular stage. 球形胚晚期吸器自珠孔端向合点端逐渐细胞化。
- When the embryo differentiated cotyledons,the haustorium cells gradually degenerated,then disappear. 胚分化出子叶时,胚乳吸器自合点端向珠孔端退化。
- Endosperm formation is nuclear type and the endosperm forms chalazal haustorium . 核型胚乳,合点端具胚乳吸器。
- When the haustorium cell began to degenerate,the reaction of ATPase activity on nucleus membrane is markedly reduced. 在开始退化的吸器细胞中,核膜上的ATP酶活性的反应减弱较早,内质网稍晚;
- The number of egg cells or synergids or antipodal cells in its embryo sacs increases or reduces. 部分胚囊内卵细胞、助细胞及反足细胞数目有所增减;
- The development of the embryo sac is Polygonum type with numberous antipodal cells. 胚囊的发育为蓼型,具多个反足细胞。
- From its undersurface a narrow infection hypha or penetration tube pushes through the cell wall or intercellular spaces and develops into a series of hyphae or a HAUSTORIUM. 从下表面的较细的感染性的菌丝可以穿过细胞壁而发育为一系列菌丝。
- It fuses with the polar nuclei that are moving towards the antipodal cells at the chalazal end. 大量图片显示了雌雄性核融合的详细过程以及多精受精现象。