noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   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.
2. 2
   a system (including the thymus and bone marrow and lymphoid tissues) that protects the body from foreign substances and pathogenic organisms by producing the immune response wordnet

Synonyms

All synonyms

bodily defensecellulardefense organsdefense systemdefensiveimmune defense

Antonyms

All antonyms

nonimmunenonimmune organsnonimmune tissuesprimary response