V2EX cytokinesis

Cytokinesis

Definition / 释义

Cytokinesis 指“胞质分裂”:在细胞分裂的末期,细胞把细胞质以及细胞器等分配到两个子细胞中,通常发生在(或紧随)核分裂之后。常见于有丝分裂与减数分裂过程中。(在动植物细胞中方式不同:动物细胞多见“分裂沟”,植物细胞多见“细胞板”。)

Pronunciation / 发音(IPA)

/satokniss/

Examples / 例句

Cytokinesis produces two separate daughter cells.
胞质分裂会产生两个彼此分开的子细胞。

During mitosis, cytokinesis begins as the contractile ring tightens, ensuring each daughter cell receives enough cytoplasm and organelles.
在有丝分裂过程中,胞质分裂常从收缩环开始收紧时启动,以确保每个子细胞获得足够的细胞质和细胞器。

Etymology / 词源

该词由希腊语词根组成:cyto-(细胞)来自 kytos(“容器、细胞”之意),-kinesis(运动、移动)来自 kinesis(“运动”)。合起来字面意思接近“细胞(内容物)的移动/分开”,对应生物学上的“细胞质分裂”。

Related Words / 相关词汇

Notable Works / 文学与著作例证

  • Molecular Biology of the Cell(《细胞的分子生物学》)
  • Campbell Biology(《坎贝尔生物学》)
  • Essential Cell Biology(《细胞生物学精要》)
  • Alberts’ The Cell(《细胞》相关经典教材体系)
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