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karyokinesis

American  
[kar-ee-oh-ki-nee-sis, -kahy-] / ˌkær i oʊ kɪˈni sɪs, -kaɪ- /

noun

Cell Biology.
  1. mitosis.

  2. the series of active changes that take place in the nucleus of a living cell in the process of division.


karyokinesis British  
/ -kaɪ-, ˌkærɪəʊkɪˈniːsɪs, -kaɪ-, ˌkærɪəʊkɪˈnɛtɪk /

noun

  1. the division of a cell nucleus in mitosis or meiosis

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Etymology

Origin of karyokinesis

First recorded in 1880–85; karyo- + -kinesis

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The first portion of the mitotic phase is called karyokinesis, or nuclear division.

From Textbooks • Jun. 9, 2022

Prokaryotic cells, on the other hand, do not undergo karyokinesis and therefore have no need for a mitotic spindle.

From Textbooks • Jun. 9, 2022

For instance, in the diffusion preparation we notice at each extremity of the equator a V-shaped figure with its apex towards the centre, corresponding exactly to what in natural karyokinesis is called the equatorial crown.

From The Mechanism of Life by Leduc, Stéphane

In 1904 I presented to the Grenoble Congress, and in 1906 to the Lyons Congress, a series of photographs and preparations of experimental karyokinesis.

From The Mechanism of Life by Leduc, Stéphane

As a matter of fact, in many cases of tissue-formation karyokinesis has not hitherto been detected.

From Darwin, and After Darwin (Vol. 1 and 3, of 3) An Exposition of the Darwinian Theory and a Discussion of Post-Darwinian Questions by Romanes, George John

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