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.

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karyokinesis British  

/ -kaɪ-, ˌkærɪəʊkɪˈniːsɪs, -kaɪ-, ˌkærɪəʊkɪˈnɛtɪk /

noun

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

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Other Word Forms

• karyokinetic adjective

Etymology

Origin of karyokinesis

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

Example Sentences

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

From Textbooks • Jun. 9, 2022

Since the discovery of Hermann Fol, a great number of explanations have been given, all of them theoretical, to account for the figures and phenomena of karyokinesis.

From The Mechanism of Life by Leduc, Stéphane

This observation applies equally to the equatorial plane in natural karyokinesis, whose existence is thus readily explained.

From The Mechanism of Life by Leduc, Stéphane

If in the cytoplasm of a cell there are two points of molecular concentration greater than that of the general mass, the nucleus must necessarily divide with all the phenomena which accompany karyokinesis.

From The Mechanism of Life by Leduc, Stéphane