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megaspore

英 /ˈmeɡəˌspɔː/美 /ˈmeɡəˌspɔːr/
  • n.
    大孢子；（种子植物的）胚囊

双语例句

  1. This shows a synchronous development of megaspore and pollen chamber.
    反映大孢子发育和贮粉室发生的同步性。
  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。
  3. Arrangement of megaspore is linear shaped, the megaspore of chalazal end is functional megaspore.
    大孢子排列为直线型，合点端大孢子为功能大孢子。

网络短语

  • megaspore membrane
    大孢子壁
  • megaspore mother cell
    大孢子母细胞
  • megaspore tetrad
    四分大孢子
  • megaspore haustorium
    大孢子吸器
  • Megaspore formation
    大孢子形成

同义词

n.
macrosporegynospore
[植]大孢子；（种子植物的）胚囊

英英释义

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

词源

  • megaspore
    mega- +‎ spore