Esmeralda*
The system has thepossible of self and non-self-recognition. An antigenmay be a material that ignites the immune reaction. The cells complex in accepting the antigen is Lymphocytes. Once they recognize, they secrete antibodies. Antibodies are proteins that neutralize the disease-causing microorganisms. Antibodies don't directly kill pathogens, but instead, identify antigens as targets for destruction by other immune cells like phagocytes or NK cells.
Поделиться этой статьей
English 
Spanish 
Chinese 
German 
French 
Japanese 
Portuguese 
Hindi 