megaspore

['megəspɔ:]
  • 释义

  • 大孢子，（种子植物的）胚囊;

  • 双语例句
  • 1、

    The chalazal megaspore of a linear tetrad develops into a polygonum type sac.

    四分体线行排列,合点端的大孢子发育为蓼型胚囊.

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  • 2、

    Megaspore tetrad is linear. The chalazal megaspore develops into an embryo sac of Polygonum type.

    大孢子四分体为线形, 合点端功能大孢子发育成为蓼型胚囊.

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  • 3、

    A single archesporium differentiates immediately below the nucellar epidermis, it functions directly the megaspore mother cell.

    孢原细胞处于珠心表皮之下, 直接起大孢子母细胞的功能.

    ——期刊摘选
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