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.
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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