Other Definitions pyknosis (dict)
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PyknosisPyknosis, or karyopyknosis, is the condensation of chromatin in the nucleus of a cell undergoing programmed cell death (see Naoufal Zamzami and Guido Kroemer: "Apoptosis: Condensed matter in cell death", Nature Vol. 401 p. 127, 09 Sep. 1999 http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=10490018). It is followed by Karyorrhexis, or fragmentation of the nucleus. - See also:
*Karyorrhexis
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