Memory cell

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Memory cells are cells of the immune system . They are responsible for the immunological memory in the body of higher animal creatures. A distinction is made between T memory cells and B memory cells.

  • In memory B cells is specialized B cells , resulting from activated B cells. When they come into contact with the same antigen again, they are activated immediately and can trigger an immune reaction within a few hours that prevents an outbreak of infection . Memory cells can thus maintain vaccination protection for years .
  • Once activated, T lymphocytes can also differentiate into memory cells , the so-called T memory cells.


  • Charles A. Janeway Jr. including: immunology. 5th edition. Spectrum Akademischer Verlag GmbH, Heidelberg, Berlin 2002, ISBN 3-8274-1078-9 .