megaspore
n. [植]大孢子；(种子植物的)胚囊
形容词：megasporic
近义词：macrospore，
英英释义
Noun
- larger of the two types of spore produced in heterosporous plants; develops in ovule into a female gametophyte
例句
用作名词(n.)
- 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 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 chalazal end megaspore develops into the embryo sac mother cell.合点端大孢子发育为胚囊母细胞。