Antibodies

Definition

Antibodies are specialized proteins produced by the immune system to identify and neutralize foreign objects like bacteria and viruses. They attach to antigens on the surface of these invaders, marking them for destruction by other immune cells.

Related terms

Antigens:

Foreign substances that evoke an immune response in the body, especially the production of antibodies.

Immune System:

The complex network of cells, tissues, and organs that work together to defend the body against attacks by foreign invaders.

B lymphocytes (B cells): A type of white blood cell that produces antibodies as part of the body's adaptive immune response