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 (no͞o′klē-ə-plăz′əm, nyo͞o′-)
The protoplasm of a cell nucleus. Also called karyoplasm.

nu′cle·o·plas′mic, nu′cle·o·plas·mat′ic (-ō-plăz-măt′ĭk) adj.


(Biology) the protoplasm in the nucleus of a plant or animal cell that surrounds the chromosomes and nucleolus. Also called: karyoplasm
ˌnucleoˈplasmic, ˌnucleoplasˈmatic adj


(ˈnu kli əˌplæz əm, ˈnyu-)

the liquid content of the cell nucleus.
nu`cle•o•plas′mic, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.nucleoplasm - the protoplasm that constitutes the nucleus of a cell
living substance, protoplasm - the substance of a living cell (including cytoplasm and nucleus)
cell nucleus, karyon, nucleus - a part of the cell containing DNA and RNA and responsible for growth and reproduction
References in periodicals archive ?
Nucleolin (NCL) accounts for 10% of all the nuclear proteins and is found in the nucleoplasm, cytoplasm, and cell membrane.
Additionally, the amount of cytoplasm the cell makes decreases relative to the amount of nucleoplasm, so that the cell diameter decreases and there is an actual increase in nuclear size which may be related to an increase in the nuclear contents required for replication.
GCI with reperfusion caused pronounced degenerative changes and massive neuron death in the hippocampal CA1 region in rats of control group while neurons of sham-operated rats had homogenously stained cytoplasm and nucleoplasm with clearly visible nucleoli (Fig.
It is increasingly obvious that the physical properties of both the chromosomes and their environment the nucleoplasm, the nuclear periphery, cytoskeleton, etc.
TOR regulates late steps of ribosome maturation in the nucleoplasm via Nog1 in response to nutrients," EMBO Journal, vol.
In addition decomposition at nucleoplasm was also detected (Fig.
Fusiform cells had large, oval-shaped nuclei with a small amount of nucleoplasm and two dentritic extensions, whereas the mast cells had round, central nuclei.
In very young animals the nucleolus has a sharply contoured interface with the nucleoplasm.
When cells are under oxidative stress, NRF2 and/or NRF1 dimerize with small Maf or other bZIP proteins in the nucleoplasm, and the heterodimer binds to the cis-acting element(s) called antioxidant response elements (AREs) in the promoters of target genes, leading to their transcriptional activation (Biswas and Chan 2010; Maher and Yamamoto 2010).