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Karyomixis definition..... |
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Answer» Explanation: (kar'ē-ō-rek'sis), Fragmentation of the nucleus whereby its chromatin is distributed IRREGULARLY throughout the cytoplasm; a stage of necrosis USUALLY followed by karyolysis. SYNONYM(s): karyoclasis. [karyo- + G. rhexis, rupture] : Karyorrhexis is the destructive fragmentation of the nucleus of a dying cell whereby its chromatin is distributed irregularly throughout the cytoplasm. It is usually preceded by pyknosis and can occur as a result of either programmed cell death (APOPTOSIS ), senescence, or necrosis . In apoptosis , the cleavage of DNA is done by Ca2+ and Mg2+ -DEPENDENT endonucleases. Examples karyorrhexis of polymophonuclear cells hope its help u..... |
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