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

The panelists also heard from researchers who theorize, based in part on animal studies, that silicone that leaks from implants can trigger or exacerbate immune system disorders in certain patients. Matthew Perrone, The Seattle Times, "US experts: Too soon to pull breast implants tied to cancer," 26 Mar. 2019 Broadly, that means your skin is manifesting an immune system response to something your body thinks could harm your health. Korin Miller, SELF, "9 Questions That Will Help You Decode That Skin Rash," 22 Mar. 2019 Often found in older couches, mattresses and carpet padding, flame retardant chemicals have been linked to infertility, birth defects, cancer, and immune system problems. Lindsey Campbell, House Beautiful, "19 Dangerous Household Items You Should Quit Using Immediately," 15 Feb. 2019 Graves' disease is an immune system disorder that causes the overproduction of thyroid hormones, according to Mayo Clinic. Selena Barrientos, Good Housekeeping, "'The Wendy Williams Show' Replaced Wendy With Nick Cannon While She Recovers," 30 Jan. 2019 Anyone and everyone — though those with weakened immune systems, like babies, very young children, the elderly, and those with chronic illnesses (diabetes, AIDS, cancer, or liver disease) — are at higher risk. Natalie Stone, PEOPLE.com, "What Is Sepsis? The Frightening Condition That Killed Chicago Fire Actress DuShon Monique Brown," 31 May 2018 In fact, a study analysis in Perspectives on Psychological Science suggests this feeling is involved in everything from depression and alcoholism, strokes, decreased immune system, and early death. Colleen Stinchcombe, Woman's Day, "How to Deal With Loneliness and Feelings of Isolation," 11 Jan. 2019 Like vitamin C, this trace mineral supports the health of your blood vessels, nerves, immune system, and bones and assists in iron absorption, according to the U.S. National Library of Medicine. Caroline Picard, Good Housekeeping, "4 Surprising Health Benefits of Chestnuts," 13 Dec. 2018 The limited studies out there indicate that CBD has, in its various interactions with the brain and immune system, some anti-inflammatory and anti-anxiety effects. Dan Nosowitz, Vox, "The super-popular cannabis compound, explained.," 1 Nov. 2018

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.

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First Known Use of immune system

circa 1919, in the meaning defined above

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Statistics for immune system

Last Updated

14 Apr 2019

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Time Traveler for immune system

The first known use of immune system was circa 1919

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More Definitions for immune system

immune system

noun

English Language Learners Definition of immune system

: the system that protects your body from diseases and infections

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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