What Does IgG Stand For? Understanding Immunoglobulin G

Learn what IgG stands for and its vital role in the immune system as an antibody.

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IgG stands for Immunoglobulin G, which is a type of antibody. These antibodies play a crucial role in the body's immune response by identifying and neutralizing foreign substances like bacteria and viruses.

FAQs & Answers

  1. What is the function of IgG? IgG antibodies identify and neutralize foreign substances like bacteria and viruses, playing a pivotal role in the immune response.
  2. How is IgG different from other antibodies? IgG is one of several types of antibodies; it is the most abundant in the blood and has a unique ability to cross the placenta, providing protection to the fetus.
  3. Why is IgG testing done? IgG testing is often performed to assess immune response to infections or vaccinations and can help diagnose certain health conditions.