> Glossar > Macrophage 3. February 2021 Greek makros – large and phagein – eat. Big eaters, cells of the immune system serve to eliminate microorganisms or particles by phagocytosis; especially in areas of inflammation. Synonyms: scavenger cellsRelated Articles: Glossary: PhagocytosisGlossary: Frustrated phagocytosisNanoparticles and the lungAirborne Fibres