Title: memory
Long Title: IUPAC Gold Book - memory
DOI: 10.1351/goldbook.13451
Status: current

Definition
Characteristic of the acquired immune response (see acquired immunity) of lymphocytes whereby a second encounter with a given antigen produces a secondary immune response that is faster, greater, and longer lasting than the primary immune response.

Related Terms
- acquired immunity: https://goldbook.iupac.org//terms/view/12832
- lymphocytes: https://goldbook.iupac.org//terms/view/13399
- primary immune response: https://goldbook.iupac.org//terms/view/13601

Source
- PAC, 2012, 84, 1113. 'IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)' on page 1212 (https://doi.org/10.1351/PAC-REC-11-06-03)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/13451/html
- json: https://goldbook.iupac.org/terms/view/13451/json
- xml: https://goldbook.iupac.org/terms/view/13451/xml

Citation: Citation: 'memory' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.13451
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Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-08-02T18:29:06+00:00