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centriole Line breaks: cen¦tri|ole
Pronunciation: /ˈsɛntrɪəʊl/

Definition of centriole in English:


Each of a pair of minute cylindrical organelles near the nucleus in animal cells, involved in the development of spindle fibres 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 centre).

Definition of centriole in:
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