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.
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 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

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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!