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extracellular matrix[¦ek·strə¦sel·yə·lər ′mā·triks]
(cell and molecular biology)
A filamentous structure that is attached to the outer cell surface and provides anchorage, traction, and positional recognition to the cell.
A filamentous structure of glycoproteins and proteoglycans that is attached to the cell surface and provides cells with anchorage, traction for movement, and positional recognition. Abbreviated ECM.