Adaptive immunity is a highly specialized and systemic response that develops as a result of exposure to specific antigens, providing long-lasting protection and immunological memory. It involves the activation of lymphocytes, including T cells and B cells, which recognize and remember pathogens, allowing for a more efficient and rapid response upon subsequent exposures.

Adaptive Immunity

Adaptive immunity

Highly specialized response

systemic response

specific antigens

long-lasting protection

Immunological memory is the ability of the immune system to respond more rapidly and effectively to pathogens that have been encountered previously, providing long-lasting protection. This is the principle behind vaccinations, which aim to establish a memory response without causing disease.

immunological memory

activation of lymphocytes

T cells are a type of lymphocyte that play a central role in cell-mediated immunity, recognizing and responding to antigens presented by other cells. They are crucial in the immune system's ability to target and eliminate infected or cancerous cells, as well as in orchestrating the overall immune response.

T cells

B cells are a type of white blood cell crucial to the adaptive immune system, responsible for producing antibodies that neutralize pathogens. They originate in the bone marrow and can differentiate into memory B cells or plasma cells, providing long-term immunity and rapid response upon re-exposure to antigens.

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