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According to the [[Centers for Disease Control and Prevention]], '''B cells''' are "white blood cells that help the body defend itself against infection.  These cells are produced in [[bone marrow]]and develop into plasma cells that produce [[antibodies]]. [B cells are] also known as [[B lymphocytes]].<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#b</ref>

According to the [[Centers for Disease Control and Prevention]], '''B cells''' are "white blood cells that help the body defend itself against infection.  These cells are produced in [[bone marrow]] and develop into plasma cells that produce [[antibodies]]. B cells are also known as [[B lymphocytes]].<ref>http://www.cdc.gov/vaccines/about/terms/glossary.htm#b</ref>

A B cell produces a range of antibodies that are displayed on its cell surface. When the cell takes up a pathogen or foreign antigens by [[endocytosis]], these select which antibody the cell will produce and stimulate it to secrete these [[proteins]] into the blood. This process is called "B cell activation".

A B cell produces a range of antibodies that are displayed on its cell surface. When the cell takes up a pathogen or foreign antigens by [[endocytosis]], these select which antibody the cell will produce and stimulate it to secrete these [[proteins]] into the blood. This process is called "B cell activation".