amitosis

[am-i-toh-sis, ey-mahy-]

am·i·to·sis

[am-i-toh-sis, ey-mahy-]
noun Biology.
the direct method of cell division, characterized by simple cleavage of the nucleus without the formation of chromosomes.

Origin:
1890–95; a-6 + mitosis

am·i·tot·ic [am-i-tot-ik, ey-mahy-] , adjective
am·i·tot·i·cal·ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Amitosis is always a great word to know.
So is prototroph. Does it mean:
an organism or cell capable of synthesizing all its metabolites from inorganic material, requiring no organic nutrients
the ability of a population to maintain or increase its numbers in succeeding generations
Collins
World English Dictionary
amitosis (ˌæmɪˈtəʊsɪs)
 
n
an unusual form of cell division in which the nucleus and cytoplasm divide by constriction without the formation of chromosomes; direct cell division
 
[C19: a-1 + mitosis]
 
amitotic
 
adj
 
ami'totically
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

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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