A spliceosome is a large and complex molecular machine found primarily within the nucleus of eukaryotes. The spliceosome is assembled from snRNPs and protein complexes. The spliceosome removes introns from a transcribed pre-mRNA, a kind of primary transcript. This process is generally referred to as splicing. Only eukaryotes have spliceosomes and ...
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http://en.wikipedia.org/wiki/Spliceosome
<molecular biology> 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...
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http://www.encyclo.co.uk/local/20973
A complex of small nuclear RNA/protein particles (snRNPs- ‘snurps`) that participate in hnRNA splicing.
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http://www.encyclo.co.uk/visitor-contributions.php
Type: Term Pronunciation: splīs′ē-ō-sōm′ Definitions: 1. A specialized structure that participates in the removal of introns and resplicing of remaining exons of mRNA; in addition to the mRNA primary transcript, at least four small nuclear RNAs (snRNAs) and some proteins are involved.
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http://www.medilexicon.com/medicaldictionary.php?t=83976
protein complex containing small nuclear ribonucleoproteins that catalyzes the splicing out of intron-encoded RNA sequences from the primary transcript during RNA maturation in eukaryotes
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https://courses.lumenlearning.com/microbiology/chapter/glossary/
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