GNU Collaborative International Dictionary of English

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Found one definition

1.       
   cytoskeleton (sīˌtṓ‑skĕlˈĭ‑t'n), n. (Cell Biology) An arrangement of microtubules, microfilaments, and larger filaments within a cell serving to provide structural support of components of the cell, and to transport components from one part of the cell to another; the filaments are composed of protein and form a latticelike arrangement which may change rapidly with time.
   
   [PJC]