Meaning & use
Microfilaments
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Thin protein filaments, made mainly of actin, found within the cytoplasm of cells that support cell shape and enable movement.
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Microfilaments help a cell change shape as it crawls across a surface.
During cell division, microfilaments assist in pinching the cell into two daughter cells.
A note on using this word
Part of the cytoskeleton, along with microtubules and intermediate filaments, which together give cells their structure and mobility.
Words with a similar meaning
actin filaments
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