centriole

cen·tri·ole   (sěn'trē-ōl')    n.  One of two cylindrical cellular structures that are composed of nine triplet microtubules and form the asters during mitosis. [New Latin centriolum, diminutive of Latin centrum, center; see center.]

Main Entry: cen·tri·ole
Pronunciation: 'sen-trE-"Ol
Function: noun
: one of a pair of cellular organelles that occur especially in animals, areadjacent to the nucleus, function in the formation of the spindle apparatus during cell division, and consist of a cylinder with nine microtubules arranged peripherally in a circle

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

centriole   (sěn'trē-ōl')  Pronunciation Key  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.