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amitosis

[am-i-toh-sis, ey-mahy-] /ˌæm ɪˈtoʊ sɪs, ˌeɪ maɪ-/
noun, Biology
1.
the direct method of cell division, characterized by simple cleavage of the nucleus without the formation of chromosomes.
Origin
1890-1895
1890-95; a-6 + mitosis
Related forms
amitotic
[am-i-tot-ik, ey-mahy-] /ˌæm ɪˈtɒt ɪk, ˌeɪ maɪ-/ (Show IPA),
adjective
amitotically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for amitosis

amitosis

/ˌæmɪˈtəʊsɪs/
noun
1.
an unusual form of cell division in which the nucleus and cytoplasm divide by constriction without the formation of chromosomes; direct cell division
Derived Forms
amitotic (ˌæmɪˈtɒtɪk) adjective
amitotically, adverb
Word Origin
C19: a-1 + mitosis
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
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amitosis in Medicine

amitosis am·i·to·sis (ām'ĭ-tō'sĭs, ā'mī-)
n.
Direct division of the nucleus and cell without the nuclear changes that usually occur during cell reproduction. Also called direct nuclear division.


am'i·tot'ic (-tŏt'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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