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A network of fibres permeating the matrix of living eukaryotic cells that provides a supporting framework for organelles, anchors the plasma membrane and certain cell junctions, facilitates cellular movement, and provides a suitable surface for chemical reactions to take place. The fibres are composed of microtubules, intermediate filaments, and microfilaments.

http://www.search.com/reference/Cytoskeleton Coloured image showing distribution of cytoskeletal components in a cell

Subjects: Chemistry.

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