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apoptosis
[ ap-uh-toh-sis, ap-uhp‑ ]
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.
apoptosis
/ ˌæpəpˈtəʊsɪs /
noun
- biology the programmed death of some of an organism's cells as part of its natural growth and development Also calledprogrammed cell death
apoptosis
/ ăp′əp-tō′sĭs,ăp′ə-tō′- /
- 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
apoptosis
- The programmed death of a cell . Scientists believe that this process is governed by chemical signals a given cell receives from its neighbors.
Notes
Other Words From
- ap·op·tot·ic [ap-, uh, -, tot, -ik, ap-, uh, p‑], adjective
Word History and Origins
Origin of apoptosis1
Word History and Origins
Origin of apoptosis1
Example Sentences
The tardigrade proteins did this by inhibiting apoptosis, a cellular self-destruct program that is often triggered by exposure to harmful chemicals or radiation.
In one study in rats, swimming was shown to stimulate brain pathways that suppress inflammation in the hippocampus and inhibit apoptosis, or cell death.
Although researchers do not yet have a way to visualize apoptosis and neuronal survival in people, they do observe similar cognitive outcomes.
Apoptosis is a word that is more likely to be read than spoken.
Those cells undergo apoptosis and die back, leaving fully formed fingers behind.
THC and cannabidiol both induce apoptosis in leukemic cell lines.
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