V2EX sclerotium

Sclerotium

释义 Definition

菌核:某些真菌形成的坚硬、致密的休眠结构,用于在不利环境中(干旱、寒冷、缺乏养分等)长期存活,条件合适时可再次萌发并产生菌丝或子实体。(该词在生物学/真菌学语境最常见。)

发音 Pronunciation (IPA)

/sklroim/(常见美式)
/sklrtim/(常见英式)

例句 Examples

The fungus formed a sclerotium in the soil.
这种真菌在土壤中形成了一个菌核。

Under drought conditions, the pathogen survives for years by producing a tough sclerotium that later germinates when moisture returns.
在干旱条件下,这种病原体通过生成坚硬的菌核存活多年,待水分恢复后再萌发。

词源 Etymology

来自现代拉丁语 sclerotium,源于希腊语词根 **sklēr-**(意为“坚硬”),与 sclerosis(硬化)同源;后缀 -ium 常用于构成名词。整体含义指“硬的结构”,对应其在真菌中“坚硬休眠体”的特征。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Alexopoulos, Mims & Blackwell Introductory Mycology(真菌学教材中常用于描述真菌的存活结构)
  • Lynne Boddy & Frank Watkinson The Fungi(涉及真菌生态与生存策略时出现)
  • D. H. Jennings & G. Lysek Fungal Biology: Understanding the Fungal Lifestyle(讨论逆境存活与休眠结构时出现)
  • David Arora Mushrooms Demystified(在部分真菌生活史与形态描述中出现)
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