Direct division of the nucleus and cell, without the complicated changes in the nucleus that occur in the ordinary process of cell reproduction. SYN: direct nuclear division, Remak nuclear division. [G. a- priv. + mitosis]
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ami·to·sis .ā-mī-'tō-səs n, pl -to·ses -.sēz cell division by simple cleavage of the nucleus and division of the cytoplasm without spindle formation or appearance of chromosomes called also direct cell division
ami·tot·ic -'tät-ik adj
ami·tot·i·cal·ly -i-k(ə-)lē adv
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n.
division of the nucleus of a cell by a process, not involving mitosis, in which the nucleus is constricted into two.
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ami·to·sis (am″ĭ-toґsis) [a-1 + mitosis] division of the nucleus by constriction without the formation of a spindle, condensation of chromosomes, or disruption of the nuclear membrane.Medical dictionary. 2011.