ap·op·to·sis
(ăp′əp-tō′sĭs, ăp′ə-tō′-)n. A natural process of self-destruction by degradative enzymes in certain cells, such as epithelial cells and erythrocytes, that are genetically programmed to have a limited lifespan or are damaged, as by irradiation or toxic drugs. Also called programmed cell death.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
apoptosis
(ˌæpəpˈtəʊsɪs) n (Biology) biology the programmed death of some of an organism's cells as part of its natural growth and development. Also called: programmed cell death
[C20: from Greek: a falling away, from apo- + ptōsis a falling]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
| Noun | 1. | apoptosis - a type of cell death in which the cell uses specialized cellular machinery to kill itself; a cell suicide mechanism that enables metazoans to control cell number and eliminate cells that threaten the animal's survivalcell death, necrobiosis - (physiology) the normal degeneration and death of living cells (as in various epithelial cells) |
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