An antibody, also known as an immunoglobulin, is a Y-shaped protein used by the immune system to identify and neutralize foreign objects such as pathogenic bacteria and viruses.
Silver jewelry that shows the schematic shape of the antibodies.
IgG is the most common type of antibody found in blood circulation.
IgM is the first antibody that our immune system makes to fight a new infection.
IgA is an antibody that occurs in tears, saliva, sweat and colostrum. IgA is in the “first line of defense” against viruses.