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megaspore

美['megəˌspoʊr] 英['megəspɔː]

n. [植]大孢子；(种子植物的)胚囊

形容词：megasporic

近义词：macrospore，

Noun

larger of the two types of spore produced in heterosporous plants; develops in ovule into a female gametophyte

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。

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