immune system

Fetched 2026-10-26 (cache).

Synonyms: immune-system, immune systems

Antonyms: immune-system, immune systems

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{senseid|en|Q1059}}{{lb|en|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 node]]s; tissue such as [[bone marrow]], and lymphoid tissues such as the [[tonsil]]s; cells such as [[lymphocyte]]s including the [[B cell]]s and [[T cell]]s, and cell products such as [[antibody|antibodies]].

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