lymphocytes and viruses

antibodies antibody backgrounds basis biology blood cell chromosome computer digitally disease double electron erythrocyte generated generates graphic graphics health healthcare hematologic human illness image immune immunology leukocyte lymphatic lymphocyte lymphocytes macro macrophage magnification mechanism medical medicine micro microbiology micrograph molecular molecule monochrome organism particle phagocyte receptor red science structure symmetry system unhygienic unwell virus viruses visualization white world