What Role Does Immunoglobulin G (Igg) Play in The Human Body?
Immunoglobulin overview Immunoglobulin (an antibody) , is a glycoprotein molecule produced by white blood cells. Immunoglobulins antibodies play a crucial role in detecting and attaching themselves to certain antigens like bacterial and viruses. These antibodies also contribute to the destruction of those antigens. As such, they form an essential immune response component. There are five major Immunoglobulin types in placental mammals, depending on amino acid sequence variability exhibited in the antibody heavy chain’s constant region. They include IgA, IgD, IgE, IgG as well as IgM antibodies. Each of these antibody types has a distinct structure, hence a unique function and response to antigens. IgA antibodies are mainly located in highly sensitive body areas that are exposed to external foreign substances. These areas include the nose, air way, digestive tract, vagina, ears, as well as eye surface. saliva, tears, and blood also contain IgA antibodies On the other hand, IgG an...

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