sliding filaments

sliding filaments

Etymology: AS, slidan + L, filamentum, thread
interdigitated thick and thin filaments of a sarcomere. In muscle contraction they slide past each other so that the sarcomere becomes shorter although the filament lengths do not change. The action of the sliding filaments contributes to the increased thickness of a muscle in contraction.
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Sliding filaments
References in periodicals archive ?
The difference in speed of vesicle movement and filament sliding provided evidence that vesicle movement was not due to the passive attachment of vesicles to sliding filaments.
On the other hand, 200 nM RabGDI affected neither motile activity nor filament sliding; the motile activity and number of sliding filament bundles were similar to the controls (Fig.