USMLE

Memory B-Cells

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Immunology
  1. Innate Immunity
  2. Adaptive Immunity
  3. Macrophages
  4. Neutrophils
  5. Dendritic Cells
  6. Mast Cells
  7. Eosinophils
  8. Basophils
  9. Natural Killer Cells
  10. Antigens
  11. MHC I and II
  12. Antibodies
  13. B Lymphocytes Overview
  14. B Cell Stages
  15. B-Cell Activation
  16. Plasma B-Cells
  17. Memory B-Cells
  18. T-Lymphocytes Overview
  19. T-Cell Stages
  20. Types of Activated T-Cells

Summary

When activated by binding to an antigen, B-cells proliferate into plasma or memory B-cells. Memory B-cells don’t produce antibodies, and instead reside for a long time in the lymphoid tissue, acquiring information about pathogens and storing them away for later. If an infection is caused by that same pathogen in the future, the memory B-cells will coordinate a quicker immune response.

Key Points

  •  Memory B cells
    • Long-lived
    • Store information (memory) about the pathogen after an infection
    • Do not produce antibodies