Definitions for "B-Lymphocytes"
the cells of the adaptive immune system producing antibodies
A type of lymphocyte, or white blood cell, used by the immune system. B-cells secrete antibodies into the body fluid to fight foreign substances that cause infections, disease, or poisoning.
Also called B-cells -- blood cells derived from bone marrow and the spleen. They are able to detect foreign objects and produce antibodies. B-cells are activated by T-lymphocytes.