Definition of microtubule in English:


Line breaks: micro|tubule
Pronunciation: /mʌɪkrə(ʊ)ˈtjuːbjuːl


  • A microscopic tubular structure present in numbers in the cytoplasm of cells, sometimes aggregating to form more complex structures.
    More example sentences
    • The dynactin complex interacts with both microtubules and microfilaments.
    • As in wild type, the cytoplasm of the cap cell has many microtubules organized parallel to the longitudinal axis of the organelle.
    • The microtubules tie the chromosomes to the mitotic spindle during cell division.

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Word of the day grotesquerie
Pronunciation: grəʊˈtɛskəri
grotesque quality or grotesque things collectively