IMMUNOLOGY

Detailed explanation-1: -Adaptive immune responses depend on the ability to recognize and eliminate recurrent pathogens, resulting in the generation of memory lymphocytes. The capacity of memory T cells to rapidly mobilize and initiate a potent recall response enhances protective immunity against previously encountered pathogens.

Detailed explanation-2: -Immunological memory is a unique property of the immune system as it can “store” information about a stimulus and can mount an effective response when the stimulus is encountered again. This response – a secondary immune response – is quicker and stronger than the primary response.

Detailed explanation-3: -Lymphocytes are produced in response to the specific antigens on a pathogen. After the pathogen is removed some of the lymphocytes continue to remain in the immune system. These are called memory cells. If the same pathogen enters the immune system for a second time, the response is much more rapid.

Detailed explanation-4: -Memory B cells produce more robust antibody-mediated immune response during re-infection. Memory T cells are T lymphocytes that have the similar capability of recognizing foreign particles that they previously encountered. But unlike memory B cells, the memory T cells do not produce antibodies.

Detailed explanation-5: -Memory immune responses Because our memory cells are “experienced, ‘’ we will respond to a second (or subsequent) encounter more quickly. Whereas in a primary encounter, antibodies are not generated for several days, during a memory response antibodies appear in just a few days.