V2EX interphase

Interphase

释义 Definition

interphase(间期):细胞周期中细胞分裂(有丝分裂/减数分裂)之前的阶段,细胞在此期间进行生长、复制DNA、合成蛋白质并为分裂做准备。通常包括 G1期、S期、G2期。(在不同语境下也可能有更宽泛的用法,但最常见的是细胞生物学意义。)

发音 Pronunciation

/ntrfez/

例句 Examples

The cell spends most of its life in interphase.
细胞的大部分生命过程都处在间期。

During interphase, DNA is replicated in the S phase, and the cell checks for damage before entering mitosis.
在间期中,DNA会在S期完成复制,细胞还会在进入有丝分裂前检查是否存在损伤。

词源 Etymology

inter- 表示“在……之间”,phase 表示“阶段”。合起来字面意思是“(分裂各阶段)之间的阶段”。该词在细胞生物学中用来指代分裂开始前的准备与复制阶段,强调它并非“空档”,而是细胞活动最繁忙的时期之一。

相关词 Related Words

文学与名著用例 Literary Works

  • _Molecular Biology of the Cell_(《细胞的分子生物学》):在细胞周期章节中系统讲解间期(G1/S/G2)与检查点调控。
  • _Campbell Biology_(《坎贝尔生物学》):在“细胞分裂/细胞周期”部分频繁使用 interphase 解释DNA复制发生的时段。
  • _Essential Cell Biology_(《细胞生物学精要》):以图示方式介绍间期与有丝分裂的时间占比及关键事件。
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