[ 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.
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Words nearby centriole
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for centriole
/ (ˈsɛntrɪˌəʊl) /
either of two rodlike bodies in most animal cells that form the poles of the spindle during mitosis
Word Origin for centriole
C19: from New Latin centriolum, diminutive of Latin centrum centre
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
Medical definitions for centriole
[ sĕn′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.
Scientific definitions for centriole
[ sĕn′trē-ōl′ ]
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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.