大孢子囊
- 网络megasporangium
大孢子囊-
观察白皮黄瓜成熟胚囊发现，在胚囊中央观察到多个类极核，珠心组织细胞离散、变形，大孢子囊边缘不规则。
It was also observed in white cucumber that there were multipolar nucleus-like in the center of mature embryo sac , nucellus cells were dispersed and the edge of some megaspore sacs were irregular .
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（植）大孢子叶带有大孢子囊的叶形结构子囊孢子：在子囊菌中，子囊内进行减数分裂产生的孢子，通常是8个。
A leaflike structure that bears megasporangia . Ascospore One of ( usually ) eight haploid spores produced inside an ASCUS by members of the phylum Ascomycota .