Medical Definition of Spliceosome
1.
A complex of small nuclear organelles in which the splicing and excision reactions that remove introns from precursor messenger RNA molecules occur.
One component of a spliceosome are small nuclear RNA molecules (u1, u2, u4, u5, u6) that collaborate with proteins, to help create RNA structures (snurps) that participate in hnRNA splicing.
Origin: Gr. Soma = body
(08 Aug 2003)
Lexicographical Neighbors of Spliceosome
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