Definition of centriole in English:
centriole
noun ˈsɛntrɪəʊlˈsentrēˌōl
Biology 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 sentencesExamples
- It is the sperm basal body that serves as a centriole in the zygotic microtubule organizing center.
- Closure of the midbody requires the presence of a mother centriole to close the intercellular bridge.
- In most animal cells, the centrosome contains a pair of centrioles, which consist of an array of microtubules.
- In contrast to the canonical pathway of spindle formation, in diverse organisms such as mammals, nematodes, and insects, female meiotic spindles are organized in the absence of centrosomes and centrioles.
- Glaucophytes undergo open mitosis and lack centrioles associated with the centrosomes.
Origin
Late 19th century: from modern Latin centriolum, diminutive of centrum (see centre).