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Find detailedThe Immune System
Each of the primary immunodeficiencies (PIs) results from the failure of a specific component of the immune system. In order to understand the differences in the types of PI and in treatment options, it is helpful to first understand the immune system and its components.
The immune system is a network of organs, tissues, cells and proteins which work together to recognize and react against foreign materials (antigens) which may cause infection.1
Major Organs of the Immune System
Blood Components of the Immune System
- B Cells (B-lymphocytes)
- T Cells (T-lymphocytes)
- Phagocytes (Macrophage)
- Complement System
- NK Cells (Natural Killer Cells)
- Granulocytes
Learn more about the Immune System:
-
Immune System and Immune Deficiency
National Jewish Research and Medical Center -
The Normal Immune System
Immune Deficiency Foundation Handbook -
Understanding the Immune System
National Institutes of Health
These links provide a list of web sites about immune diseases that may be of interest to healthcare professionals. Baxter Healthcare Corporation does not possess editorial control over the content or the information on those other sites. As such, Baxter Healthcare Corporation and the compiler of the list make no representation as to the accuracy, completeness and any other aspect of the information contained in those sites.
- U.S. Department of Health and Human Services. National Institutes of Health. Understanding the Immune System: How It Works. NIH Pub No. 03-5423; p. 1.
