(1) A variety of white blood cells called neutrophils contain elastase, an enzyme that can digest elastin.(2) This removal of apoptotic neutrophils by macrophage phagocytosis is a critical process for the resolution of inflammation.(3) Macrophages, lymphocytes, neutrophils , and eosinophils were counted.(4) Necrotic material admixed with neutrophils and erythrocytes was present in the background.(5) Of particular interest was phagocytosis of platelets by neutrophils .