immune system

noun

Definition of immune system

: 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

Recent Examples on the Web Training the immune system on two variants can lead to a broader response generally, said Meagan Deming, a virologist and infectious diseases physician at the University of Maryland. Andrew Joseph, STAT, 7 Aug. 2022 Health officials pointed to a study published in 2015 that found that Jynneos vaccine administered that way was as effective at stimulating the immune system as when the needle plunger deeper into other tissue. Zeke Miller, Mike Stobbe And Michael Balsamo, Anchorage Daily News, 5 Aug. 2022 Health officials pointed to a study published in 2015 that found that Jynneos vaccine administered that way was as effective at stimulating the immune system as when the needle plunger deeper into other tissue. Chicago Tribune, 4 Aug. 2022 Health officials pointed to a study published in 2015 that found that Jynneos vaccine administered that way was as effective at stimulating the immune system as when the needle plunger deeper into other tissue. BostonGlobe.com, 4 Aug. 2022 This gives staph a two-pronged way of evading the immune system. Fionna M. D. Samuels, Scientific American, 4 Aug. 2022 Lab studies also have shown that exposure to Omicron prompts the vaccinated immune system to pump out far fewer antibodies. Erin B. Logan, Los Angeles Times, 3 Aug. 2022 In addition to boosting the immune system, brain scans of kind people show that generosity gives them a calmer disposition, less stress, better emotional health and higher self-worth. Bryan Robinson, Forbes, 1 Aug. 2022 According to the Centers for Disease Control and Prevention, benzene is a highly flammable substance that can damage the immune system and cause cells to not work correctly. Vanessa Etienne, PEOPLE.com, 1 Aug. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'immune system.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of immune system

circa 1919, in the meaning defined above

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Time Traveler for immune system

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The first known use of immune system was circa 1919

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Dictionary Entries Near immune system

immune surveillance

immune system

immunist

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Statistics for immune system

Last Updated

8 Aug 2022

Cite this Entry

“Immune system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/immune%20system. Accessed 12 Aug. 2022.

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More Definitions for immune system

immune system

noun

Kids Definition of immune system

: the system of the body that fights infection and disease and that includes especially the white blood cells and antibodies and the organs that produce them

immune system

noun

Medical Definition of immune system

: 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), lymphocytes including the B cells and T cells, and antibodies

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