Definition of extranuclear in English:

Share this entry


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.
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.