Title: unresponsiveness Long Title: IUPAC Gold Book - unresponsiveness DOI: 10.1351/goldbook.13768 Status: current Definition Inability to respond to an antigenic stimulus. Note Unresponsiveness may be specific for a particular antigen (see tolerance), or broadly nonspecific as a result of damage to the entire immune system, for example, after whole-body irradiation. Related Terms - antigenic: https://goldbook.iupac.org/terms/view/12885 - immune system: https://goldbook.iupac.org/terms/view/13271 - tolerance: https://goldbook.iupac.org/terms/view/13302 Source - PAC, 2012, 84, 1113. 'IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)' on page 1257 (https://doi.org/10.1351/PAC-REC-11-06-03) Other Outputs - html: https://goldbook.iupac.org/terms/view/13768/html - json: https://goldbook.iupac.org/terms/view/13768/json - xml: https://goldbook.iupac.org/terms/view/13768/xml Citation: Citation: 'unresponsiveness' 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.13768 License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. Collection: If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . 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: 2026-05-14T16:16:44+00:00