centriole
pronunciation
How to pronounce centriole in British English:
UK ['sentrɪəʊl]
How to pronounce centriole in American English:
US ['sentrɪˌoʊl]
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- Noun:
- one of two small cylindrical cell organelles composes of 9 triplet microtubules; form the asters during mitosis
Word Origin
- centriole (n.)
- 1896, from German centriol (1895), from Modern Latin centriolum, diminutive of centrum (see center (n.)).
Example
- 1. It has the same structure as the mature parental centriole , but is only about half its length .
- 2. It plays no role in the next mitosis , but becomes a parental centriole when it is distributed to one of the daughter cells .
- 3. The centriole lies outside the nucleus of animal cells and many fungal and protoctist cells , but is absent in cells of most higher plants .
- 4. However , the centriole is not essential for spindle formation , although an analogous structure , the basal body , is responsible for organizing the microtubules of undulipodla .