immune system
Concise Oxford English Dictionary © 2008 Oxford University Press:
immune system
▶noun the organs and processes of the body that provide resistance to infection and toxins.
'immune system' also found in these Oxford entries:
active immunity
- anamnestic
- challenge
- helper cell
- immune
- immunocompromised
- immunodeficiency
- lymphokine
- noni
- opportunistic
- perforin
- spleen
- thymus
