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单词 centrosome
释义

Definition of centrosome in English:

centrosome

noun ˈsɛntrəsəʊmˈsɛntrəˌsoʊm
Biology
  • An organelle near the nucleus of a cell which contains the centrioles (in animal cells) and from which the spindle fibres develop in cell division.

    〔生〕中心体

    Example sentencesExamples
    • A legacy of these ancient symbiotic interactions is that eukaryotic cells continue to show tight links between nuclei, centrosomes and microtubules in the form of Cell Bodies.
    • The astral microtubule arrays around the centrosomes, like the nuclei, are visible as areas that are largely devoid of yolk granules.
    • In most animal cells, the centrosome contains a pair of centrioles, which consist of an array of microtubules.
    • On one hand, angiosperm cells lack centrosomes as microtubule organizing centres and are missing the contractile ring which serves as a tool for cytokinesis in animal cells.
    • At metaphase, centrosomes initiate the bipolar microtubule spindle.

Origin

Late 19th century: from Latin centrum (see centre) + Greek sōma 'body'.

Definition of centrosome in US English:

centrosome

nounˈsɛntrəˌsoʊmˈsentrəˌsōm
Biology
  • An organelle near the nucleus of a cell which contains the centrioles (in animal cells) and from which the spindle fibers develop in cell division.

    〔生〕中心体

    Example sentencesExamples
    • A legacy of these ancient symbiotic interactions is that eukaryotic cells continue to show tight links between nuclei, centrosomes and microtubules in the form of Cell Bodies.
    • On one hand, angiosperm cells lack centrosomes as microtubule organizing centres and are missing the contractile ring which serves as a tool for cytokinesis in animal cells.
    • At metaphase, centrosomes initiate the bipolar microtubule spindle.
    • In most animal cells, the centrosome contains a pair of centrioles, which consist of an array of microtubules.
    • The astral microtubule arrays around the centrosomes, like the nuclei, are visible as areas that are largely devoid of yolk granules.

Origin

Late 19th century: from Latin centrum (see center) + Greek sōma ‘body’.

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更新时间:2025/7/5 16:36:32