immune response

American  

noun

1. any of the body's immunologic reactions to an antigen.

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immune response British  

noun

1. the reaction of an organism's body to foreign materials (antigens), including the production of antibodies

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immune response Scientific  

/ ĭ-myo̅o̅n′ /

1. 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.

2. See also cell-mediated immune response humoral immune response

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Etymology

Origin of immune response

First recorded in 1950–55

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Example Sentences

See Examples For:

immune response

To investigate how inflammation affects fetal development, Cheadle and his colleagues triggered an immune response in pregnant mice at different stages of pregnancy.

From Science Daily ● Nov. 3, 2026

The resulting immune response gradually breaks down the bone supporting the dental implant.

From Science Daily ● Oct. 23, 2026

Scientists sequence the tumor to identify mutated proteins, which are also called neoantigens, and then create an mRNA strand using up to 34 of the neoantigens that they believe will produce the best immune response.

From MarketWatch ● Oct. 21, 2026

Some can also persist after an initial immune response, allowing the immune system to react more quickly when it encounters a familiar target.

From Science Daily ● Oct. 20, 2026

In a sense, the earth is mounting an immune response against the human species.

From "The Hot Zone" by Richard Preston

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