The cytoskeleton is a cellular "scaffolding" or "skeleton" contained, as all other organelles, within the cytoplasm. It is contained in all eukaryotic cells and recent research has shown it can be present in prokaryotic cells too. It is a dynamic structure that maintains cell shape, and also has been known to protect the cell, enables cellular motion (using structures such as flagella, cilia and lamellipodia), and plays important roles in both intracellular transport (the movement of vesicles and organelles, for example) and cellular division.
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Noun 1. a microscopic network of actin filaments and microtubules in the cytoplasm of many living cells that gives the cell shape and coherence (hypernym) structure, anatomical structure, complex body part, bodily structure, body structure (part-holonym) cytoplasm
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