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

If the infection is not contained by the body’s immune response, the bacteria destroys lung tissue which can trigger chest pain and coughing up of mucus or blood. —Chase Hunter, Mercury News, 31 Jan. 2026

Critical to the body, peptides may play a role in hormone production, immune response, muscle growth, skin health and brain activity. —Sandee Lamotte, CNN Money, 31 Jan. 2026

In the brain, the virus leads to an immune response that triggers inflammation, can damage brain cells, and can even shrink brain volume, according to research on imaging studies that was published in March 2022 in the journal Nature. —Stephanie Armour, Miami Herald, 28 Jan. 2026

Prolonged exposure affects mood regulation, sleep, attention, and immune response, as outlined in clinical research summarized by the National Center for Biotechnology Information. —Jennifer Jay Palumbo, Forbes.com, 28 Jan. 2026

Word History

First Known Use

1923, in the meaning defined above

Rhymes for immune response

• bons
• hans
• launce
• nonce
• sconce
• esperance
• nonchalance
• nonresponse
• renaissance
• naissance

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