[short chains of RNA (100-300 nucleotides long) that are abundant in the nucleus and usually complexed with proteins in small nuclear ribonucleoproteins; many function in the processing of messenger RNA precursors; others, the small nucleolar RNAs, are involved with the processing of ribosomal RNA precursors. ( CSP )]
UMLS (CSP) C0035709 - Nucleic Acid, Nucleoside, or Nucleotide
- Biologically Active Substance
Relation/PAR: Ribonucleic acid