immune system

noun

Definition of immune system

  1. :  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

Circa 1919

First Known Use of immune system

circa 1919


IMMUNE SYSTEM Defined for English Language Learners

immune system

noun

Definition of immune system for English Language Learners

  • : the system that protects your body from diseases and infections


IMMUNE SYSTEM Defined for Kids

immune system

noun

Definition of immune system for Students

  1. :  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


Medical Dictionary

immune system

noun

Medical Definition of immune system

  1. :  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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