small nuclear RNA


small nu·cle·ar RNA (snRNA),

small RNA (that is, about 90-300 nucleotides long) in the nucleus believed to have a role in RNA processing and cellular architecture.

small nuclear RNA (snRNA)

short eucaryotic RNA molecule found in the nucleus, involved in the SPLICING of specific types of INTRON in PRIMARY mRNA molecules. Also called U-RNA, since it is rich in URIDINE NUCLEOTIDES.