Antibody

Definition

Antibodies are proteins produced by the immune system that recognize, bind to, and help neutralize foreign substances like bacteria and viruses. They play a critical role in the body's defense mechanism by identifying and targeting specific antigens (foreign invaders) for destruction.

Related terms

Antigen: A substance that induces an immune response in the body, especially the production of antibodies.

Immune System:

The complex network of cells, tissues, organs, and molecules that helps protect the body from foreign invaders and diseases.

B Cells:

A type of white blood cell that matures in bone marrow and produces antibodies in response to antigens