antibodies are produced by..
B cells
Antibodies are produced by a type of white blood cell called B lymphocytes or B cells, which are a crucial component of the body’s immune system. When the body is exposed to a particular pathogen, such as a virus or bacteria, the B cells detect it and begin producing antibodies specifically targeted to that pathogen.
B cells have specialized receptors on their surface that can recognize and bind to specific antigens, which are the markers or identifiers on the surface of a pathogen. Once the B cell binds to an antigen, it is activated to divide rapidly and differentiate into plasma cells, which are antibody-producing factories.
The plasma cells produce large quantities of antibodies that are released into the bloodstream and can then bind to the specific pathogen, neutralize it, and help to eliminate it from the body. The antibodies also trigger other immune cells to recognize and destroy the pathogen, providing long-term protection against future infections from the same pathogen.
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