Definitions
from The Century Dictionary.
- noun See
pycnosis .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun In biology, shrinkage and condensing, such as that of a dying
cell or the appearance of a cell'snucleus .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a degenerative state of the cell nucleus
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
From Greek πύκνωσις (pyknōsis, "thickening"), from πυκνός (pyknos, "compact").
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Examples
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In the final stages of "cell dying", the nucleus becomes shrunken (pyknosis) or fragmented (karyorrhexis).
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This is confirmed by characteristic DNA fragmentation, nuclear shrinkage (pyknosis), and nuclear fragmentation (karyorrhexis), which is demonstrated by DA PI in apoptotic round cells.
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