immune response
Americannoun
noun
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A protective response of the body's immune system to an antigen, especially a microorganism or virus that causes disease. The immune response involves the action of lymphocytes that deactivate antigens either by stimulating the production of antibodies (humoral immune response) or by a direct attack on foreign cells (cell-mediated immune response.) An inability to produce a normal immune response results in immunodeficiency diseases such as AIDS.
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See also cell-mediated immune response humoral immune response
Etymology
Origin of immune response
First recorded in 1950–55
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Allergic reactions involve a type of immune response known as Th2 response.
From Science Daily
The study, published in Nature Communications, found that small fat-based molecules known as epoxy-oxylipins act as natural regulators of the immune response.
From Science Daily
The findings show that even a small change in how vaccine components are arranged can determine whether a nanovaccine produces a limited immune response or a powerful tumor destroying effect.
From Science Daily
This shift turns a normally protective immune response into one that helps cancer thrive.
From Science Daily
This finding suggests the gene may help drive the heightened immune response that defines the disease.
From Science Daily
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
