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单词 centriole
释义

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).

 
 

Definition of centriole in US English:

centriole

nounˈsentrēˌōl
Biology
  • 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 sentencesExamples
    • 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.
    • 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.
    • Glaucophytes undergo open mitosis and lack centrioles associated with the centrosomes.

Origin

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

 
 
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更新时间:2024/11/11 12:38:35