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Karyokinesis Kar"y*o*ki*ne`sis
(k[a^]r`[i^]*[-o]*k[-i]*n[=e]"s[i^]s), n. [NL., fr. Gr.
ka`ryon a nut, kernel + kinei^n to move.]
1. (Biol.) The indirect division of cells in which, prior to
division of the cell protoplasm, complicated changes take
place in the nucleus, attended with movement of the
nuclear fibrils; -- opposed to karyostenosis. The
nucleus becomes enlarged and convoluted, and finally the
threads are separated into two groups which ultimately
become disconnected and constitute the daughter nuclei.
Called also mitosis. See {Cell development}, under
Cell.
[1913 Webster]
2. The changes that occur in the nucleus of a cell, especially movements of the chromosomes, in the process of cell division. [PJC]
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