Dictionary.com
Thesaurus.com

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

  • karyokinetic adjective

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

The fertilised nucleus, thus consisting of chromosomes from male and female, then divides by a complicated process known as karyokinesis, in which each chromosome splits longitudinally, one half passing to each daughter-nucleus.

From The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development by Hertwig, Oscar

Guided by this theory of a diffusion field of force, I have been able to reproduce experimentally the figures of karyokinesis by simple diffusion.

From The Mechanism of Life by Leduc, Stéphane

In the preparation one may see the distance between the two poles slowly increase, the poles gradually separating from one another just as do the centrosomes of an ovum during karyokinesis.

From The Mechanism of Life by Leduc, Stéphane