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immune system
noun
- a diffuse, complex network of interacting cells, cell products, and cell-forming tissues that protects the body from pathogens and other foreign substances, destroys infected and malignant cells, and removes cellular debris: the system includes the thymus, spleen, lymph nodes and lymph tissue, stem cells, white blood cells, antibodies, and lymphokines.
immune system
- The body system in humans and other animals that protects the organism by distinguishing foreign tissue and neutralizing potentially pathogenic organisms or substances. The immune system includes organs such as the skin and mucous membranes, which provide an external barrier to infection, cells involved in the immune response, such as lymphocytes, and cell products such as lymphokines.
- See also autoimmune disease
immune system
- The system in the body that works to ward off infection and disease. Central to this system are the white blood cells . Some white blood cells produce antibodies in response to specific antigens that may invade the body; others function as scavengers to fight infection by destroying bacteria and removing dead cells.
Word History and Origins
Origin of immune system1
Example Sentences
Non-Hodgkin’s lymphoma develops in B-lymphocytes, which are part of the body’s immune system and account for the majority of non-Hodgkin lymphomas, according to the American Cancer Society.
In the years leading up to his death, Di’Anno had been suffering from a weakened immune system after contracting sepsis nine years ago, his family and record label said in an Oct.
Too much candy can also affect your immune system.
Sugar and inflammation undermine the microbiome's role in training the immune system to distinguish between harmful invaders and harmless substances.
A healthy gut microbiome helps your immune system distinguish between friend and foe, reducing the risk of infections and autoimmune disorders.
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