One of the mysteries of the English language finally explained.
Each of a pair of minute cylindrical organelles near the nucleus in animal cells, involved in the development of spindle fibres in cell division.
- ‘It is the sperm basal body that serves as a centriole in the zygotic microtubule organizing center.’
- ‘Glaucophytes undergo open mitosis and lack centrioles associated with the centrosomes.’
- ‘Closure of the midbody requires the presence of a mother centriole to close the intercellular bridge.’
- ‘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.’
- ‘In most animal cells, the centrosome contains a pair of centrioles, which consist of an array of microtubules.’
Late 19th century: from modern Latin centriolum, diminutive of centrum (see centre).
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