Highly conserved nuclear RNA-protein complexes that function in RNA processing in the nucleus, including pre-mRNA splicing and pre-mRNA 3'-end processing in the nucleoplasm, and pre-rRNA processing in the nucleolus (see RIBONUCLEOPROTEINS, SMALL NUCLEOLAR).
Subtype terms (7)
More specific conditions that are subtypes of Ribonucleoproteins, Small Nuclear in the MeSH hierarchy.