![](https://webarchive.library.unt.edu/eot2008/20090514030918im_/http://www.cancer.gov/images/spacer.gif) |
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![](https://webarchive.library.unt.edu/eot2008/20090514030918im_/http://www.cancer.gov/images/spacer.gif)
| A substance that increases the ability of the immune system to fight infection and disease. |
Previous Definitions: | immunological adjuvant, immunology, immunomodulation, immunophenotyping, immunoscintigraphy | Next Definitions: | immunosuppression, immunosuppressive, immunosuppressive therapy, immunotherapy, immunotoxin |
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![](https://webarchive.library.unt.edu/eot2008/20090514030918im_/http://www.cancer.gov/images/spacer.gif) |