immune system

== English == === Pronunciation === === Noun === immune system (plural immune systems) (anatomy, immunology) The system that differentiates self from non-self and protects the body from foreign substances and pathogenic organisms by producing an immune response. It includes organs such as the thymus, the spleen and lymph nodes; tissue such as bone marrow, and lymphoid tissues such as the tonsils; cells such as lymphocytes including the B cells and T cells, and cell products such as antibodies. ==== Coordinate terms ==== lymphatic system ==== Derived terms ==== ==== Translations ==== ==== Further reading ==== immune system on Wikipedia.Wikipedia “immune system”, in OneLook Dictionary Search.