Immunoglobulin Test: High vs Low vs Normal Levels of (Ig ...
Aug 2, 2025 · Antibodies are proteins that your immune cells make to fight off bacteria, viruses, and other harmful invaders. The immunoglobulin test can show whether there's a problem with your …
Immunoglobulins Blood Test: MedlinePlus Medical Test
Immunoglobulins are also called antibodies. Antibodies are proteins that your immune system makes to fight germs, such as viruses and bacteria. Your body makes different kinds of antibodies to fight …
5 Types of Immunoglobulins: IgG, IgM, IgA, IgD, and IgE
Apr 4, 2022 · Antibodies, also known as immunoglobulins, are proteins produced by lymphocytes as a result of interaction with antigens. Antibodies are a part of the humoral immune of the adaptive …
Immunoglobulins: Blood Test, Levels, and More - Healthline
Feb 29, 2024 · Immunoglobulins, or antibodies, are produced by white blood cells. They help your body defend against infections and conditions like cancer. Tests measure them and help diagnose these …
Immunoglobulin G (IgG): Function, Tests & Disorders
Jun 12, 2025 · IgG antibodies (immunoglobulin G) are proteins that your immune system makes to fight off infections. They’re especially important as part of your secondary immune response, which fights …
What Are Immunoglobulins and How Do They Work?
Immunoglobulins (Ig), commonly known as antibodies, are proteins produced by the immune system to recognize and neutralize foreign substances called antigens. Antigens are components of bacteria, …
Blood Test: Immunoglobulins (IgA, IgG, IgM) | Rady Children's ...
An immunoglobulin (im-yeh-no-GLOB-yeh-len) test measures the level of types of antibodies in the blood. The immune system makes antibodies to protect the body from bacteria, viruses, and …