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karyokinesis Line breaks: karyo|kin¦esis
Pronunciation: /ˌkarɪəʊkɪˈniːsɪs/

Definition of karyokinesis in English:


[mass noun] Biology
Division of a cell nucleus during mitosis.
Example sentences
  • This analysis showed that rhb1 - D121A mutants arrested as small, round cells without detectable defects in karyokinesis or cytokinesis.
  • Note that macronuclear karyokinesis and cytokinesis has initiated in rad 51 nulls despite the failure to complete micronuclear mitosis.
  • Additionally, cytokinesis blocked cells are thought to be prone to polyploidization if the gap between the daughter nuclei is very small, resulting in incomplete or absent karyokinesis.


Late 19th century: from karyo- 'cell nucleus' + Greek kinēsis 'movement' (from kinein 'to move').

Definition of karyokinesis in:
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