key term - Sensitization

Definition

Sensitization in the context of the lymphatic and immune system is the process whereby an individual's immune system becomes increasingly reactive to a particular antigen after initial exposure. This heightened response can lead to allergic reactions or other immune-related diseases upon subsequent exposures.

Related terms

Allergic reaction: An exaggerated response of the immune system to a substance that is typically harmless to most people.

Antigen: Any substance that causes your immune system to produce antibodies against it, marking it for attack or removal from the body.

Autoimmune disease: A condition arising from an abnormal immune response of the body against substances and tissues normally present in the body