immune response

noun

: a bodily response to an antigen that occurs when lymphocytes identify the antigenic molecule as foreign and induce the formation of antibodies and lymphocytes capable of reacting with it and rendering it harmless

called also immune reaction

Examples of immune response in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
What’s more, in nearly 70% of people in the trial, the vaccine appeared to trigger an immune response not just to KRAS mutations, but to other tumor cell targets that were not in the vaccine. Kaitlin Sullivan, NBC news, 11 Aug. 2025 Mice that received vaccines via floss developed strong immune responses across multiple arms of immunity: mucosal antibodies, systemic antibodies, and T cells. New Atlas, 9 Aug. 2025 This two-way street allows your brain to influence your gut’s functions—like motility, secretion, and immune responses. Renée Onque, CNBC, 8 Aug. 2025 This sets off a potent immune response that’s hard to stop. Brenda Goodman, CNN Money, 6 Aug. 2025 See All Example Sentences for immune response

Word History

First Known Use

1923, in the meaning defined above

Time Traveler
The first known use of immune response was in 1923

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Cite this Entry

“Immune response.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/immune%20response. Accessed 21 Aug. 2025.

Kids Definition

immune response

noun
: a bodily response to a foreign substance, cell, or tissue that involves the formation of antibodies and cells capable of reacting with it and rendering it harmless

called also immune reaction

Medical Definition

immune response

noun
: a bodily response to an antigen that occurs when lymphocytes identify the antigenic molecule as foreign and induce the formation of antibodies and lymphocytes capable of reacting with it and rendering it harmless

called also immune reaction

Last Updated: - Updated example sentences
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