macrophage anatomy. structure of immune cell

anatomy antigen bacteria bacterium blood cancer cell cells cellular cytology debris diagram digest digests disease endocytosis engulf engulfs foreign formation immune immunity immunology infection inflammation innate leukocyte lymphocyte macrophage medicine microbe microbes microbiology microscopic monocyte pathogen pathogens phagocyte phagocytosis phagolysosome phagosome poster process response science structure substances system that vector vesicle white