apoptosis
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əˈtoʊ noun
a normal, genetically regulated process leading to the death of cells and triggered by the presence or absence of certain stimuli, as DNA damage.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To apoptosis
Collins
World English Dictionary
apoptosis (ˌæpəpˈtəʊsɪs) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| biology Also called: programmed cell death the programmed death of some of an organism's cells as part of its natural growth and development | |
| [C20: from Greek: a falling away, from | |
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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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Apoptosis
is always a great word to know.
So is doohickey. Does it mean:
| a gadget; dingus; thingumbob. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
American Heritage
Science Dictionary
apoptosis  (āp'əp-tō'sĭs, āp'ə-tō'-) Pronunciation Key
A natural process of self-destruction in certain cells, such as epithelial cells and erythrocytes, that are genetically programmed to have a limited life span or are damaged. Apoptosis can be induced either by a stimulus, such as irradiation or toxic drugs, or by removal of a repressor agent. The cells disintegrate into membrane-bound particles that are then eliminated by phagocytosis. Also called programmed cell death. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
American Heritage
Cultural Dictionary
apoptosis [(ap-uhp-toh-sis)]The programmed death of a cell. Scientists believe that this process is governed by chemical signals a given cell receives from its neighbors.
Note: It is thought some forms of cancer may result when this process of cell death is somehow interrupted, allowing cells to grow unchecked, with the result being a cancerous tumor.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Example sentences
We see the evolution of higher rates of apoptosis as a way to regulate the size and number of propagules produced.
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