karyostenosis

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CIDE DICTIONARY

karyostenosis, n. [NL., fr. Gr. ka`ryon a nut, kernel + a being straitened.].

Direct cell division (in which there is first a simple division of the nucleus, without any changes in its structure, followed by division of the protoplasm of the cell); -- in opposition to karyokinesis. [1913 Webster]

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