cen·tri·ole (s n tr - l )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.] |
| centriole (sntr-l) 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 cellmeiosismitosis |
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| Noun | 1. | centriole - 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 cell organ, cell organelle, organelle - a specialized part of a cell; analogous to an organ; "the first organelle to be identified was the nucleus" |
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