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The internal framework of a eukaryotic cell, composed of protein filaments that provide structural support and drive the movement of the cell and its internal components, typically divided into three categories (microfilaments, intermediate filaments, and microtubules) based on the diameter and composition of the filaments.

cy′to·skel′e·tal (-ĭ-tl) adj.


(Biochemistry) a network of fibrous proteins that governs the shape and movement of a biological cell


(ˌsaɪ təˈskɛl ɪ tn)

a shifting lattice arrangement of structural and contractile components distributed throughout the cell cytoplasm, composed of microtubules, microfilaments, and larger filaments.
cy`to•skel′e•tal, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cytoskeleton - a microscopic network of actin filaments and microtubules in the cytoplasm of many living cells that gives the cell shape and coherence
anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing; "he has good bone structure"
cytol, cytoplasm - the protoplasm of a cell excluding the nucleus; is full of proteins that control cell metabolism
References in periodicals archive ?
Through catenins, the intracellular component is connected to the extranuclear cytoscelet of the cell.