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spliceosome

Pronunciation: splis'e-o-som'

Definition: 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.

[splice + -some]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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