11. These are phagocytosis , antigen presentation, and cytokine production. 12. Proliferative inflammation occurs in involution then ensues where phagocytosis kills the spores. 13. Low C3 levels may impair complement-mediated phagocytosis and bacterial killing. 14. Tumor cells can also evade macrophage phagocytosis through the expression of CD47. 15. Engagement of SIRP-? leads to inhibition of phagocytosis . 16. This complex of molecules happens upstream of Rac during phagocytosis . 17. These proteins allow for the phagocytosis of bacteria by binding to them. 18. Glucocorticoids influence their adherence, dissemination, apoptosis and phagocytosis of macrophage. 19. Another shared protein, actin, is essential for phagocytosis in eukaryotes. 20. Macrophages identify the bacterium as foreign and attempt to eliminate it by phagocytosis .