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

Going forward, the researchers hope to gain a better understanding of the genetic and chemical signals that affect actomyosin.

From Science Daily • May 17, 2024

As actomyosin movement stops, the friction forces also disappear.

From Science Daily • Jan. 9, 2024

During the actomyosin cortex flow, the myoplasm folds and forms many buckles due to the friction forces established between the two components.

From Science Daily • Jan. 9, 2024

The actomyosin flows, however, stopped during the expansion of the contraction pole, suggesting that there are additional players responsible for the bump.

From Science Daily • Jan. 9, 2024

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

From Time Magazine Archive