collection of all the blood cells illsutaion. neutrophil, eosinophil, macrophage, dendritic cell natural killer cell, blood

antigen apoptotic bacteria basophil biology blood cancer cell cells dendritic disease endothelial eosinophil fibroblast health healthcare human illustration immune immunity infection inflammation kill killer macrophage mast medical medicine microbe microbiology microorganism microscopic natural neutrophil organism pathogen pathogens plasma presenting science system thymic vector virus white