Glossary Term
Small Interfering RNA
PCR TermsEN
Definition
A 20 to 25-nucleotide double-stranded RNA which is involved in a sequence-specific messenger RNA degradation process known as RNA interference.
Extended Notes
Source: National Cancer Institute, NCI Thesaurus 26.09d, C2191. NCI definition, reproduced without modification under CC BY 4.0. Source identity and definition checked automatically on 2026-10-20. No individual clinical interpretation or human reviewer is asserted.
Also Known As
siRNASmall Interfering RNA