centriole
noun
cen·tri·ole
ˈsen-trē-ˌōl
: one of a pair of cellular organelles that occur especially in animals, are found near the nucleus, function in the formation of the spindle (see spindle entry 1 sense 2a) fibers during cell division, and consist of a cylinder with nine microtubules arranged peripherally in a circle see cell illustration
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Merriam-Webster unabridged
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