单词megaspore
n.: 【植】大孢子
网络: 大胞子；大孢子内
【植物;植物学】大孢子
复数：megaspores
In theterosporous species, a distinction is usually made between megaspore mother cells and microspore mother cells.
在异型孢子体种类中，可区分为大孢子母细胞和小孢子母细胞。
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。
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。
In the gymnosperms the megaspore gives rise to a cell that is termed the embryo sac because of its similarity to the angiosperm structure.
在裸子植物中，大孢子也产生一个细胞，因为它类似于被子植物的胚囊细胞，故也可以称之为胚囊。
Genesis of megaspore and development of embryo sac in Carica papaya L .
番木瓜的大孢子发生与胚囊发育。