microtubule

noun
mi·cro·tu·bule | \ˌmī-krō-ˈtü-(ˌ)byül, -ˈtyü-\

Definition of microtubule 

: any of the minute tubules in eukaryotic cytoplasm that are composed of the protein tubulin and form an important component of the cytoskeleton, mitotic spindle, cilia, and flagella

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Other Words from microtubule

microtubular \-byə-lər \ adjective

Examples of microtubule in a Sentence

Recent Examples on the Web

The microtubules and ropelike filaments that form the cell’s transportation infrastructure feature helical structures, which are vital to their function. Frank Wilczek, WSJ, "The Peculiar Power of Nature’s Left and Right," 5 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'microtubule.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of microtubule

1961, in the meaning defined above

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The first known use of microtubule was in 1961

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microtubule

noun
mi·cro·tu·bule | \ˌmī-krō-ˈt(y)ü-(ˌ)byü(ə)l \

Medical Definition of microtubule 

: any of the minute tubules in eukaryotic cytoplasm that are composed of the protein tubulin and form an important component of the cytoskeleton, mitotic spindle, cilia, and flagella

Other Words from microtubule

microtubular \-byə-lər \ adjective

More from Merriam-Webster on microtubule

Britannica.com: Encyclopedia article about microtubule

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