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centriole Syllabification: cen·tri·ole
Pronunciation: /ˈsentrēˌōl/

Definition of centriole in English:


A minute cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division.
Example sentences
  • In most animal cells, the centrosome contains a pair of centrioles, which consist of an array of microtubules.
  • Glaucophytes undergo open mitosis and lack centrioles associated with the centrosomes.
  • It is the sperm basal body that serves as a centriole in the zygotic microtubule organizing center.


Late 19th century: from modern Latin centriolum, diminutive of centrum (see center).

Definition of centriole in:
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