V2EX canalization

Canalization

释义 Definition

canalization(名词):(生物学/发育学)运河化、定型化指一种性状在发育过程中即使受到环境或遗传扰动,也倾向于产生稳定、固定结果的现象(即“发育缓冲”)。在更广义用法中,也可指某种过程被“导入固定轨道”、选择被限制在少数路径上(如社会/心理/语言中的路径依赖)。

发音 Pronunciation (IPA)

/kn..laze.n/

例句 Examples

Canalization helps organisms develop reliably in changing environments.
运河化使生物体即使在多变环境中也能可靠地发育。

The study argues that strong canalization of stress responses can mask genetic variation, delaying visible differences until conditions become extreme.
该研究认为,压力反应的强运河化可能掩盖遗传变异,使差异要到环境条件变得极端时才显现。

词源 Etymology

源自 canal(“运河、通道”)+ -ization(名词后缀,表示“……化/过程”)。此词在发育生物学中常用作隐喻:发育过程好像被“挖出一条沟渠”,变化会被“导回”到既定轨道,从而产生稳定表型。该概念与英国生物学家 C. H. Waddington 的理论密切相关。

相关词 Related Words

文学与著作中的用例 Literary Works

  • C. H. Waddington, The Strategy of the Genes(讨论发育系统的稳定性与“canalization”概念)
  • C. H. Waddington, Principles of Development and Differentiation(发育与分化理论中使用该术语)
  • Brian K. Hall, Evolutionary Developmental Biology(演化发育生物学教材中常见术语)
  • Scott F. Gilbert, Developmental Biology(发育生物学经典教材中涉及相关概念与讨论)
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