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[sen-tree-ohl] /ˈsɛn triˌoʊl/
noun, Cell Biology.
a small, cylindrical cell organelle, seen near the nucleus in the cytoplasm of most eukaryotic cells, that divides in perpendicular fashion during mitosis, the new pair of centrioles moving ahead of the spindle to opposite poles of the cell as the cell divides: identical in internal structure to a basal body.
Origin of centriole
1895-1900; centri- + -ole1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for centriole


either of two rodlike bodies in most animal cells that form the poles of the spindle during mitosis
Word Origin
C19: from New Latin centriolum, diminutive of Latin centrumcentre
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for centriole

1896, from German centriol (1895), from Modern Latin centriolum, diminutive of centrum (see center (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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centriole in Medicine

centriole cen·tri·ole (sěn'trē-ōl')
One of two cylindrical cellular structures composed of nine triplet microtubules and forming the mitotic astrospheres.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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centriole in Science
Either of a pair of cylinder-shaped bodies found in the centrosome of most eukaryotic organisms other than plants. During cell division (both mitosis and meiosis), the centrioles move apart to help form the spindle, which then distributes the chromosomes in the dividing cell. See more at cell, meiosis, mitosis.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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