immune system
noun
: the bodily system that protects the body from foreign substances, cells, and tissues by producing the immune response and that includes especially the thymus, spleen, lymph nodes, special deposits of lymphoid tissue (as in the gastrointestinal tract and bone marrow), macrophages, lymphocytes including the B cells and T cells, and antibodies
Examples of immune system in a Sentence
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Inflammation is your immune system’s response to an irritant, injury, or infection.
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Jillian Kubala, Health, 13 Jan. 2025
This Physician's Choice 60 billion probiotic helps boost your immune system and supports a healthy gut.
—Nora Colomer, Fox News, 13 Jan. 2025
Exposure to pet dander and microbes can improve a child's developing immune system.
—John Mac Ghlionn, Newsweek, 13 Jan. 2025
Drinking plenty of water keeps them hydrated and fortifies your immune system.
—Christopher Bergland, Verywell Health, 13 Jan. 2025
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Jillian Kubala, Health, 13 Jan. 2025
This Physician's Choice 60 billion probiotic helps boost your immune system and supports a healthy gut.
—Nora Colomer, Fox News, 13 Jan. 2025
Exposure to pet dander and microbes can improve a child's developing immune system.
—John Mac Ghlionn, Newsweek, 13 Jan. 2025
Drinking plenty of water keeps them hydrated and fortifies your immune system.
—Christopher Bergland, Verywell Health, 13 Jan. 2025
See all Example Sentences for immune system
Dictionary Entries Near immune system
Cite this Entry
“Immune system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/immune%20system. Accessed 18 Jan. 2025.
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