IgD

Definition

IgD is a type of antibody found on the surface of B cells, which plays a crucial role in initiating early stages of the immune response. It is less understood than other antibodies but is essential for the sensitization of B cells to antigens.

Related terms

Antibodies: Proteins produced by the immune system that recognize and bind to foreign substances, such as bacteria and viruses, marking them for destruction.

B: lymphocytes - A type of white blood cell that produces antibodies and plays a pivotal role in the adaptive immune response.

Antigen: Any substance that causes the immune system to produce antibodies against it, including toxins, bacteria, foreign blood cells, and cells from transplanted organs