Pronunciation: (sī"tu-skel'i-tn), [key]
—n. Cell Biol.
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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.