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apoptosis

[ ap-uh-toh-sis, ap-uh ]

noun

  1. a normal, genetically regulated process leading to the death of cells and triggered by the presence or absence of certain stimuli, as DNA damage.


apoptosis

/ ˌæəˈəʊɪ /

noun

  1. biology the programmed death of some of an organism's cells as part of its natural growth and development Also calledprogrammed cell death
“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

apoptosis

/ ă′əp-ōĭ,ă′ə-ō- /

  1. 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.
  2. Also called programmed cell death

apoptosis

  1. The programmed death of a cell . Scientists believe that this process is governed by chemical signals a given cell receives from its neighbors.
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Notes

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 .
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Other yvlog Forms

  • ·DZ·ٴdz· [ap-, uh, -, tot, -ik, ap-, uh, ‑], adjective
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yvlog History and Origins

Origin of apoptosis1

1970–75; New Latin < Greek όō a falling off, equivalent to apo- apo- ( def ) + ō ptosis ( def )
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yvlog History and Origins

Origin of apoptosis1

C20: from Greek: a falling away, from apo- + ō a falling
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Example Sentences

Examples have not been reviewed.

Possemato says his team has plans to investigate how blocking other cancer cell pathways might trigger apoptosis in response to these chemotherapies.

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"We found that mitochondria provide a kind of decision-making aid: they regulate whether a cell undergoes clean, silent apoptosis or releases pro-inflammatory messenger substances," explains Prof.

From

These by-products initiate a "suicide" programme in the pathogen cell, named apoptosis.

From

Recent research shows that the infection leads to significant transcriptional modification of genes encoding proteins involved in the mitochondrial network, such as the respiratory chain, apoptosis, and the structural organization of mitochondria.

From

The regulatory mechanism of how cells maintain a balance between apoptosis and interferon response to efficiently suppress viral replication during infection, however, remained unclear.

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