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spliceosome

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splice·o·some   (splīs'ə-sōm')   
n.  A nucleoprotein particle that aids in the splicing of messenger RNA in eukaryotes.

[splice + -some3.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: spli·ce·o·some
Pronunciation: 'splI-sE-&-"sOm
Function: noun
: a ribonucleoprotein complex that is the site in the cellnucleus where introns are excised from precursor messenger RNA and exons are joined together to form functional messenger RNA —spli·ce·o·som·al /"splI-sE-&-'sO-m&l/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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