Cell Component
nuclear speckles
nu·cle·ar speck·les
Subclass of:
Nuclear Bodies
Definitions related to nuclear speckles:
  • (nuclear speck) A discrete extra-nucleolar subnuclear domain, 20-50 in number, in which splicing factors are seen to be localized by immunofluorescence microscopy.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
  • Membraneless intranucleoplasmic subcompartments or nuclear domains in which proteins related to RNA metabolism (e.g., SPLICING FACTORS) are dynamically localized.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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