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A sperm cell develops from a sperm mother cell. 精细胞从精母细胞发育而成。
sperm mother cell 精母细胞
spermatocyte, sperm mother cell 精母细胞
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。
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 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。
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 telophase.17. 收缩的小孢子母细胞质中核进入减数分裂末期。
These abnormal mitochondria and vacuoles may be associated with the death of microspore mother cell which leads to the male sterility in cotton. 线粒体和液泡结构异常可能是小孢子母细胞死亡造成雄性不育的细胞形态学特征。
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。
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。
ABA was observed to distribute in cytoplasmic matrix and small vacuoles of microspore mother cell. 短日照条件下，花粉母细胞细胞质基质及小液泡内有金颗粒分布；
The cytokinesis of microspore mother cell in meiosis is simuteneous,and the tetrad are tetrahedral. 四分体胞质分裂为同时型。
The meiosis process of pollen mother cell in hemp were basically normal, and cytoplasm divided simultaneity. 供试材料减数分裂染色体行为表现正常，胞质分裂为同时型；
The male sperm fertilizes the female egg. 雄性的精子使雌性的卵子受精。
The nucleus in shrinking cytoplasm of microspore mother cell enters into telophase. 17. 16.;收缩的小孢子母细胞质中核进入减数分裂末期。