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[sen-truh-sohm] /ˈsɛn trəˌsoʊm/
noun, Cell Biology.
a small region near the nucleus in the cell cytoplasm, containing the centrioles.
Origin of centrosome
First recorded in 1895-1900; centro- + -some3
Related forms
[sen-truh-som-ik] /ˌsɛn trəˈsɒm ɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for centrosome


a small body in a cell where microtubules are produced. In animal cells it surrounds the centriole Also called centrosphere
Derived Forms
centrosomic (ˌsɛntrəˈsɒmɪk) adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for centrosome

1889, from German centrosoma (1888), coined by German zoologist Theodor Boveri (1862-1915), from centro- (see center (n.)) + -some (3)).

Online Etymology Dictionary, © 2010 Douglas Harper
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centrosome in Medicine

centrosome cen·tro·some (sěn'trə-sōm')
A small region of cytoplasm adjacent to the nucleus that contains the centrioles and serves to organize microtubules. Also called cytocentrum, microcentrum.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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centrosome in Science
A specialized region of the cytoplasm that is located next to the nucleus of a cell and contains the centrioles. The cells of most eukaryotes except plants have centrosomes.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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