Immune System — definition

1. immune system (Noun)

1 definition

immune system (Noun) — 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.

1 type of
system
9 parts
Thymus bone marrow lymph gland lymph node marrow node res reticuloendothelial system thymus gland