centriole

from WordNet (r) 3.0 (2006)

centriole
    n 1: one of a pair of small cylindrical cell organelles near the
         nucleus in animal cells; composed of nine triplet
         microtubules and form the asters during mitosis

from The Collaborative International Dictionary of English v.0.48

centriole \centriole\ n. (Biol.)
   one of two small cylindrical cell organelles composes of nine
   triplet microtubules, which form the asters during mitosis.
   [WordNet 1.5]

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