results in organization of cellular component organization extracellular matrix organization A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of an extracellular matrix. GO:0030198 Reactome:R-HSA-1474244 extracellular matrix organisation biological_process extracellular matrix organization and biogenesis extracellular matrix extracellular structure organization external encapsulating structure organization