V2EX megaspore

Megaspore

Definition / 释义

megaspore(大孢子):在异孢植物(如某些石松类、水生蕨类及种子植物)中产生的较大孢子,通常发育成雌配子体(female gametophyte)。该词主要用于植物学语境。(另有相关概念 microspore:小孢子。)

Pronunciation / 发音(IPA)

/mspr/

Examples / 例句

A megaspore develops into a female gametophyte.
大孢子会发育成雌配子体。

In heterosporous plants, the megaspore is produced inside the megasporangium and often remains there as it develops.
在异孢植物中,大孢子在大孢子囊内形成,并且在发育过程中常常留在其中。

Etymology / 词源

mega- 来自希腊语 megas,意为“”;**-spore** 来自希腊语 spora,意为“播种、孢子”。合起来字面意思就是“大孢子”,用来与 microspore(小孢子)相对。

Related Words / 相关词

Notable Works / 文献与著作中的用例

  • Campbell Biology(《坎贝尔生物学》)
  • Raven Biology of Plants(《植物生物学》Raven 等)
  • Strasburger’s Plant Sciences(《斯特拉斯堡植物科学》)
  • Botany: An Introduction to Plant Biology(《植物学导论》Mauseth)
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