microfilament

microfilament

[mahy-kruh-fil-uh-muhnt]
noun Cell Biology.
a minute, narrow tubelike cell structure composed of a protein similar to actin, occurring singly and in bundles, involved in cytoplasmic movement and changes in cell shape.

Origin:
1960–65; micro- + filament

microfilamentous [mahy-kroh-fil-uh-men-tuhs] , adjective
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World English Dictionary
microfilament (ˌmaɪkrəʊˈfɪləmənt)
 
n
thin filament, composed of the protein actin and associated proteins, that occurs abundantly in muscle and in the cytoplasm of other cells

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American Heritage
Medical Dictionary

microfilament mi·cro·fil·a·ment (mī'krō-fĭl'ə-mənt)
n.
Any of the minute fibers located throughout the cytoplasm of cells, composed of actin and functioning primarily in maintaining the structural integrity of a cell.

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