immune response in action

white blood cell immune cancer engulfing phagocytosis defense immunity cellular microscopic neutralizing biology medical health leukocyte pathology disease lymphocyte macrophage neutrophil eosinophil basophil antigen pathogen therapy malignant tumor immuneresponse research medicine invasion resistance infection cytology diagnosis eradication organism nucleus cytoplasm protein antibody receptor bind response interaction oncology hematology destruction science visualization action body#39aph39#s natural mechanism actively