extracellular matrix [¦ek·strǝ¦sel·yǝ·lǝr `mā·triks] CYTOLOGY A filamentous structure that is attached to the outer cell surface and provides anchorage, traction, and positional recognition to the cell. HISTOLOGY 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. |