noun[mass noun] Biology
Dissolution of a cell nucleus, especially during mitosis.
- Apoptosis in colonic crypt epithelial cells was measured by observing the frequency of karyorrhexis and karyolysis in 1000 cells.
- In contrast, the treated section exhibits uniform, acute necrosis, with pyknotic nuclei, karyolysis and karyorrhexis; mild hemorrhage and significant zones of pigmented cellular debris.
- Frequencies of nuclear abnormalities other than micronuclei, such as binucleates, karyorrhexis and karyolysis, were also evaluated.
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