microtubule

American  

[mahy-kroh-too-byool, -tyoo-] / ˌmaɪ kroʊˈtu bjul, -ˈtju- /

noun

Cell Biology.

1. a hollow cylindrical structure in the cytoplasm of most cells, involved in intracellular shape and transport.

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microtubule British  

/ ˌmaɪkrəʊˈtjuːbjuːl /

noun

1. biology a tubular aggregate of protein subunits that forms structures, such as the mitotic spindle or the cilia of animal cells or of protozoans, in which the protein interacts with other proteins to generate various cellular movements

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microtubule Scientific  

/ mī′krō-to̅o̅′byo̅o̅l /

1. Any of the tube-shaped protein structures that help eukaryotic cells maintain their shape and assist in forming the cell spindle during cell division. Microtubules and actin filaments are the main components of the cell's supporting matrix or cytoskeleton.

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Etymology

Origin of microtubule

First recorded in 1960–65; micro- + tubule

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Example Sentences

See Examples For:

microtubule

The most well-known consequence of microtubule malfunction is cancer, a disease characterised by uncontrolled cell proliferation.

From Science Daily ● Feb. 1, 2024

This is a process called microtubule nucleation, which is like laying the foundation stones of a bridge.

From Science Daily ● Feb. 1, 2024

This analysis revealed that as γ-TuRC starts the nucleation process and as the microtubule begins to form, it cleverly changes its shape.

From Science Daily ● Feb. 1, 2024

The researchers plan to follow up by directing chemical cargo along the microtubule branches.

From Science Daily ● Jan. 25, 2024

Zaferani said scientists are still working to understand elements of microtubule growth and chemical properties.

From Science Daily ● Jan. 25, 2024

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