cytoskeleton

American  

[sahy-tuh-skel-i-tn] / ˌsaɪ təˈskɛl ɪ tn /

noun

Cell Biology.

1. a shifting lattice arrangement of structural and contractile components distributed throughout the cell cytoplasm, composed of microtubules, microfilaments, and larger filaments, functioning as a structural support and transport mechanism.

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cytoskeleton British  

/ ˈsaɪtəʊˌskɛlɪtən /

noun

1. a network of fibrous proteins that governs the shape and movement of a biological cell

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cytoskeleton Scientific  

/ sī′tə-skĕl′ĭ-tn /

1. The internal framework of a cell, composed of a network of protein filaments and extending throughout the fluid of the cell (the cytosol). The cytoskeleton consists mainly of actin filaments and microtubules and plays an important role in cell movement, shape, growth, division, and differentiation, as well as in the movement of organelles within the cell. All eukaryotic cells have a cytoskeleton.

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cytoskeleton Cultural  

1. The inner structural elements, or backbone, of a cell. It consists of microtubules and various filaments that spread out through the cytoplasm, providing both structural support and a means of transport within the cell.

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Other Word Forms

Derived Forms

• cytoskeletal
  adjective

Etymology

Origin of cytoskeleton

cyto- + skeleton

Example Sentences

The cytoskeleton naturally reorganizes as cells progress through the cell cycle.

From Science Daily • Feb. 28, 2026

Using samples from Roscoff and a second collection in Bilbao, Spain, the team conducted one of the most comprehensive studies ever of the cytoskeleton -- the filament network that supports and organizes eukaryotic cells.

From Science Daily • Nov. 2, 2025

Typically, the cytoskeleton network provides mechanical support for the cell and is responsible for cell shape and movement.

From Science Daily • Apr. 24, 2024

"DNA does not normally appear in a cytoskeleton," Freeman says.

From Science Daily • Apr. 23, 2024

To do this, they used a new programmable peptide-DNA technology that directs peptides, the building blocks of proteins, and repurposed genetic material to work together to form a cytoskeleton.

From Science Daily • Apr. 23, 2024