V2EX endosperm

Endosperm

释义 Definition

胚乳:种子内部为胚提供营养的组织,常富含淀粉、蛋白质或油脂;在许多谷物(如小麦、玉米、水稻)中尤为重要。(在被子植物中通常由受精后形成,最常见为三倍体组织。)

发音 Pronunciation

/en.do.spm/

例句 Examples

The endosperm stores nutrients for the developing plant.
胚乳为正在发育的植物储存养分。

In cereal crops, the endosperm makes up most of the grain and strongly affects flour quality.
在谷类作物中,胚乳构成了籽粒的大部分,并显著影响面粉品质。

词源 Etymology

endosperm 来自 **endo-**(“内部的”)+ sperm(源自希腊语 sperma,意为“种子”)。字面意思可理解为“种子内部的组织”,对应其在种子中为胚提供营养的功能。

相关词 Related Words

文学与名著中的用例 Literary Works

  • Charles Darwin, The Power of Movement in Plants(达尔文《植物的运动力》)
  • Encyclopaedia Britannica(《大英百科全书》相关植物学条目中常见)
  • Peter H. Raven et al., Biology of Plants(Raven 等《植物生物学》教材中高频出现)
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