Immunoglobulin (Ig) refers to a class of globulin with antibody activity or with chemical structure similar to antibody, and it is the main reaction substances of humoral immune response. With anti-bacterial, anti-viral effect and strengthening the phagocytosis of cells function, as well as killing or dissolving pathogenic microorganisms in the complement of the collaboration, it is an important component of disease resistance in the body.

Immunoglobulin is produced by plasma cells, widely found in blood, tissue fluid and exocrine fluid, accounting for about 20% of the total plasma protein. At present there are five classes of Ig found in the human body, namely IgA, IgG, IgM, IgE, IgD.

Five Immunoglobulin tests include IgA (immunoglobulin A), IgG (immunoglobulin G), IgM (immunoglobulin M), complement C3 and C4.

Immunoglobulin is produced by plasma cells, widely found in blood, tissue fluid and exocrine fluid, accounting for about 20% of the total plasma protein. At present there are five classes of Ig found in the human body, namely IgA, IgG, IgM, IgE, IgD.

Five Immunoglobulin tests include IgA (immunoglobulin A), IgG (immunoglobulin G), IgM (immunoglobulin M), complement C3 and C4.