Memory T cells are a class of T cells that persist after having previously responded to antigenic stimulation, for example, prior infection. Upon re-exposure to antigen, memory T cells mount a more vigorous response than in the initial exposure.

Are memory T cells?

T lymphocytes play a central role in protecting human beings against intracellular pathogens or tumor antigens that require T-cell mediated immune responses. ... However, a small portion of long-lived T cells still remains for rapid response upon pathogen re-exposure. This kind of cells is called memory T cells.

Which cells are memory cells?

B lymphocytes are the cells of the immune system that make antibodies to invade pathogens like viruses. They form memory cells that remember the same pathogen for faster antibody production in future infections.