actomyosin

American  

[ak-tuh-mahy-uh-sin] / ˌæk təˈmaɪ ə sɪn /

noun

Biochemistry.

1. a complex protein, consisting of myosin and actin, that is the major constituent of skeletal muscle and is thought to interact with ATP to cause muscle contraction.

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actomyosin British  

/ ˌæktəʊˈmaɪəsɪn /

noun

1. a complex protein in skeletal muscle that is formed by actin and myosin and which, when stimulated, shortens to cause muscle contraction

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Etymology

Origin of actomyosin

First recorded in 1940–45; act(in) + -o- + myosin

Example Sentences

During cell division and growth, actomyosin pushes the nuclei of different cells back and forth to influence the shapes of individual cells that make up the wing disc.

From Science Daily • May 17, 2024

"For a cell to divide, the nucleus has to move into the top region of a cell, and it does so based on the actomyosin network," Rangel Ambriz said.

From Science Daily • May 17, 2024

The group found that a subcellular structure called actomyosin drives much of the development process, especially the lower wing disc flattening.

From Science Daily • May 17, 2024

As actomyosin movement stops, the friction forces also disappear.

From Science Daily • Jan. 9, 2024

Their active portions are submicroscopic fibers made of a peculiar protein called actomyosin.

From Time Magazine Archive