B lymphocytes

Definition

B lymphocytes, also known as B cells, are a type of white blood cell crucial for the immune response by producing antibodies that neutralize pathogens. They develop in bone marrow and play a key role in the humoral immunity component of the adaptive immune system.

Related terms

Antibodies: Proteins produced by B cells that specifically target and neutralize foreign objects like bacteria and viruses.

Antigens: Substances on the surface of pathogens or foreign particles that trigger an immune response, leading to the production of antibodies by B cells.

Humoral immunity: The aspect of immunity that is mediated by secreted antibodies produced by B cells, defending against extracellular pathogens in body fluids