megaspore meaning in English
n.
【植物；植物学】大孢子。
adj.
-sporic
Examples
- 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。 - 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。 - 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。 - In dandelion ( taraxacum ) , for example , the chromosomes of the megaspore mother cell remain in one cell after the first meiotic division , forming a restitution nucleus
例如在蒲公英中，在第一次减数分裂后，大孢子母细胞的染色体仍在一个细胞中，形成一个再组核。 - Embryological studies reveal that megaspore and such cells as egg , synergid and antipodals in mature embryo sac initiate the division of forming haploid plants through embryogenesis or callus formation
胚胎学观察揭示大孢子与胚囊内的卵细胞、助细胞和反足细胞均有可能在培养中启动分裂，通过胚状体或愈伤组织形成单倍体植株。