The major polypeptide that copolymerizes with other subunits to form the intermediate filament cytoskeleton of mesenchymal cells; they may have a role in maintaining the internal organization of certain cells. SEE ALSO: desmin.

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vi·men·tin (vĭ-menґtin) a protein that forms the vimentin filaments (q.v.); it is used as an immunohistochemical marker for cells derived from the embryonic mesenchyme.

Medical dictionary. 2011.

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