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- Spore mother cell A cell that gives rise to four haploid spores by meiosis. 孢子母细胞：可以发生减数分裂产生四个单倍体孢子的细胞。
- The haploid pollen cells develop in the tapetal zone from spore mother cells. 单倍体花粉细胞由绒毡层提供营养发育。
- Tetrad 1.A group of four cells formed as a result of meiosis in a spore mother cell. 四分体：1由孢子母细胞减数分裂产生的一组四个细胞。
- Aneuspory The production of an unusual number of spores during meiosis of a spore mother cell. 异数孢子:在孢子母细胞减数分裂过程中产生不正常孢子数目的现象。
- Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants. 绒毡层：维管植物花粉囊内包围孢子母细胞的富含营养物质的一层结构。
- These cells usually disintegrate, liberating food substances that are subsequently absorbed by the spore mother cells and the developing spores. 这层细胞常常分解，释放出其内的营养物质，这些营养物质后来会被孢子母细胞和正在发育的孢子所吸收。
- spore mother cell 孢子母细胞
- spore mother cell(SMC) 孢子母细胞
- At the later stage of macro spore mother cell development, the quantity of starch within ovary wall diminished rapidly while starch grains occurred in the inner-integument and nucellus; 到大孢子母细胞晚期，内珠被和珠心组织开始淀粉积累时，子房壁淀粉含量迅速下降。
- A sperm cell develops from a sperm mother cell. 精细胞从精母细胞发育而成。
- One inclusion formed somewhat later exterior to the exosporium. Another inclusion was formed within the exosporium and remained with the spore after mother cell lysis. 当芽胞形成细胞裂解后，一种晶体被释放出来，形成自由的伴胞晶体，另一种在芽胞外壁内侧形成，成熟后被包裹在芽胞外壁以内不脱落，始终和芽胞粘连在一起。
- The sporogenous cell develops into microspore mother cell. 造孢细胞直接发育成小孢子母细胞。
- The chalazal end megaspore develops into the embryo sac mother cell. 合点端大孢子发育为胚囊母细胞。
- The megaspore mother cell meiosis to form a linear megaspore tetrad. 大孢子母细胞减数分裂产生直线形大孢子四分体。
- Of the four products of a megaspore mother cell, three usually abort. 在大孢子母细胞分裂产生的四个孢子中，三个会解体消失。
- Meiosis of microspore mother cells is synchronous or unsynchronous. 小孢子母细胞减数分裂同步或不同步。
- The nucleus in shrinking cytoplasm of microspore mother cell enters into diakinesis stage.16. 收缩的小孢子母细胞中核进入减数分裂终变期。
- The gametophyte is derived from the product of a reduction division in the megaspore mother cell. 该配子体是由大孢子母细胞进行减数分裂而来。
- The nucleus in shrinking cytoplasm of microspore mother cell enters into telophase.17. 收缩的小孢子母细胞质中核进入减数分裂末期。
- The inner layer of the wall of a spore. 孢子内壁孢子壁的内层
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
