Karyorrhexis
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Karyorrhexis
Karyorrhexis (/ˌkærioʊˈrɛksɪs/) is a medical term that refers to the fragmentation of the nucleus of a cell that is undergoing apoptosis or necrosis. It is one of the morphological aspects of apoptosis and is preceded by pyknosis and can be followed by karyolysis.
Etymology
The term "Karyorrhexis" is derived from the Greek words "karyon" meaning nucleus, and "rrhexis" meaning rupture. Thus, it literally translates to "nucleus rupture".
Related Terms
- Apoptosis: A form of programmed cell death that occurs in multicellular organisms.
- Necrosis: A form of cell injury which results in the premature death of cells in living tissue.
- Pyknosis: The irreversible condensation of chromatin in the nucleus of a cell undergoing necrosis or apoptosis.
- Karyolysis: The complete dissolution of the chromatin of a dying cell due to the enzymatic degradation by endonucleases.
See Also
External links
- Medical encyclopedia article on Karyorrhexis
- Wikipedia's article - Karyorrhexis
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