Immunoglobulin G
A class of immunoglobulins found in all body fluids. They are the smallest but most common antibodies (75 percent to 80 percent) in the body. Abbreviated IgG. IgG antibodies are very important in fighting bacterial and viral infections. IgG antibodies are the only type of antibody that can cross the placenta in a pregnant woman to help the fetus.
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- Immunoglobulin M
A class of immunoglobulins found in blood and lymph fluid that are the first type of antibody made in response to an infection. Abbreviated IgM. IgM antibodies make up about 5 percent to 10 percent of all the antibodies in the body.
- Immunologist
A physician or another degreed professional who is knowledgeable about immunology.
- Immunopig
A pig that has been genetically engineered to produce human antibodies. An immunopig, when challenged with an infectious agent can, produce large volumes of human antibodies against that agent in their blood. There are also immunocows and presumably immunogoats, immunosheep, immunomoose, etc.
- Immunology
The study of all aspects of the immune system, including its structure and function, disorders of the immune system, blood banking, immunization, and organ transplantation.
- Immunosuppressant
An agent that can suppress or prevent the immune response. Immunosuppressants are used to prevent rejection of a transplanted organ and to treat autoimmune diseases such as psoriasis, rheumatoid arthritis, and Crohn’s disease. Some treatments for cancer act as immunosuppressants.