Definition of extranuclear in English:

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Pronunciation: /ˌekstrəˈn(y)o͞oklēər/

Entry from US English dictionary


1Situated in or affecting parts of a cell outside the nucleus.
Example sentences
  • Previous micromechanical studies of isolated nuclei have reported that nuclei are significantly stiffer than the extranuclear, cytoplasmic space of the cell.
  • One such mechanism is extranuclear inheritance, which involves no physical change in the cell's genome, though it may involve changes in a heritable pattern of protein expression as in the following example.
  • If, on the other hand, CI is caused by modification of extranuclear paternal factors, these white-eyed uniparental daughters will not be seen - they instead will die as embryos.
2Situated or occurring outside the nucleus of an atom.

For editors and proofreaders

Syllabification: ex·tra·nu·cle·ar

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