V2EX acentric

Acentric

释义 Definition

acentric(形容词):无中心的;非以中心为特征的。在生物学/遗传学中也常指“无着丝粒的”(acentric chromosome fragment),即缺少着丝粒的染色体片段(因此在细胞分裂时更难被正确分配)。

发音 Pronunciation

/sntrk/

例句 Examples

The artist chose an acentric design to avoid a single focal point.
艺术家选择了无中心的设计,以避免只有一个视觉焦点。

During mitosis, an acentric chromosome fragment may fail to segregate properly, leading to genetic instability.
在有丝分裂过程中,无着丝粒的染色体片段可能无法正确分离,从而导致遗传不稳定。

词源 Etymology

由前缀 a-(表示“无、非”)+ centric(“中心的”)构成;centric 源自希腊语 kentron(“尖刺、中心点”),引申为“中心”。因此 acentric 字面意思就是“没有中心的”。

相关词 Related Words

文学与著作 Literary Works

  • Molecular Biology of the Cell(Bruce Alberts 等)讨论染色体行为与细胞分裂时可能涉及 acentric fragments 等术语。
  • Human Molecular Genetics(Tom Strachan & Andrew Read)在染色体断裂、重排与遗传不稳定相关章节中常出现 acentric 的用法。
  • The Cell: A Molecular Approach(Geoffrey M. Cooper & Robert E. Hausman)细胞周期与染色体分离内容中可能提及 acentric(多用于“无着丝粒片段”语境)。
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