Cell Component
nuclear matrix
nu·cle·ar ma·trix
Subclass of:
Intranuclear Space
Definitions related to nuclear matrix:
  • A network of fibrillar structures within cell nuclei that may play a role in chromatin organization and the localization of proteins within the nucleus.
    NCI
    U.S. National Cancer Institute, 2021
  • Network of proteinaceous structural elements in the nucleus, comparable to the cytoskeleton of the cytoplasm, responsible for large- scale translocations such as chromosome movement, spliceosome and mRNA transport, etc.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • The dense fibrillar network lying on the inner side of the nuclear membrane.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
  • The residual framework structure of the CELL NUCLEUS that maintains many of the overall architectural features of the cell nucleus including the nuclear lamina with NUCLEAR PORE complex structures, residual CELL NUCLEOLI and an extensive fibrogranular structure in the nuclear interior. (Advan. Enzyme Regul. 2002; 42:39-52)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.