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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
Most vaccines contain inactive forms of the organisms they are meant to fight, but live vaccines carry small amounts of active pathogens designed to trigger a natural immune response.
—Rachael Zimlich, Bsn, Rn, Verywell Health, 7 Jan. 2025
Some evidence suggests that a light fever may even fortify an immune response; so in principle, slightly elevated temperatures should be left alone unless your child is uncomfortable, in which case, maybe ibuprofen?
—Daniel Engber, The Atlantic, 3 Jan. 2025
Antigen-presenting cells, or APCs, literally do what their name suggests: present antigens (foreign substances that trigger an immune response) to T cells, activating them.
—New Atlas, 21 Dec. 2024
Three pig genes known to spark an immune response, as well as a porcine growth hormone receptor, were removed.
—Emily Mullin, WIRED, 17 Dec. 2024
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Word History
First Known Use
1923, in the meaning defined above
Dictionary Entries Near immune response
Cite this Entry
“Immune response.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/immune%20response. Accessed 18 Jan. 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
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