Immune response
IMMUNE SYSTEM PROCESS THAT FUNCTIONS IN THE CALIBRATED RESPONSE OF AN ORGANISM TO A POTENTIAL INTERNAL OR INVASIVE THREAT
Anamnestic response; Immune responses; Immune reaction; Immunological response; Immune reactions; Secondary immune response; Primary immune response; Anamnestic reaction
An immune response is a reaction which occurs within an organism for the purpose of defending against foreign invaders. These invaders include a wide variety of different microorganisms including viruses, bacteria, parasites, and fungi which could cause serious problems to the health of the host organism if not cleared from the body.