Describes the different receptors for the MHC molecules and also the structure of these molecules/receptors.
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Image: docs.google.com/open?id=0B8Ss3-wJfHrpYkJYVnVreDRrbWs

1. Immunology Overview
2. Immunology - Adaptive Immune System
3. Part I - Inflammation
4. Part II - Inflammation
5. Immunology - Innate Immunity (Inflammatory Response)
6. Immunology - Innate Immunity (PAMP and PRR)
7. Immunology - Innate Immunity (Diapedesis)
8. Immunology - Innate Immunity (MHC structure)
9. Immunology - Innate Immunity (MHC processing)
10. Immunology - Innate Immunity (Toll-Like Receptors)
11. Immunology - Innate Immunity Scavenger Receptors
12. Immunology - Antibody (BCR) and TCR Diversity
13. Immunology - Adaptive Immunity (B cell Activation, Hypermutation and Class Switching Overview)
14. Immunology - Antibody Somatic (VDJ) Recombination I
15. Immunology - Antibody Somatic (VDJ) Recombination II
16. Immunology - Innate Immunity (Complement System Overview)
17. Immunology Map - Immune Cells
18. Immunology Map II - Organs and Tissues
19. Immunology Map III - T cell development I
20. Immunology Map III - T cell development II
21. Immunology Map IV - Innate Immune response I
22. Immunology Map IV - Innate Immune response II
23. Immunology Map V - Cell Mediated Immunity
24. Immunology Map VI - Humoral Immunity
25. Immunology Map VII - Adaptive (Acquired) Immunity
26. Mucosal Immunity Overview
27. Part I - Mucosal Immunity
28. Part II - Mucosal Immunity
29. Part III - Mucosal Immunity (IgA antibodies)
30. Immunology - Introduction to Antibodies
31. Immunology - Antibodies (Function)
32. Immunology - MHC I Processing
33. Immunology - Toll Like Receptors Overview
34. Immunology - MHC II Processing
35. Immunology - NOD like receptors and the Inflammasome

Our body defenses help ward off damage and disease. Together these defenses make up our immune system. Functionally, the immune system can be divided into the innate and adaptive. The Innate immune system is our non-specific first line of defense and is functional already at birth. The Adaptive immune system is specific and involves recognition of foreign bodies once they breached the innate immunity defenses. The Adaptive immunity is constantly upgrading itself by learning.
The immune system plays a key role in nearly all diseases and infections, but can become an unwelcome player in autoimmune diseases, hypersensitivity and some allergies.

Source: http://armandoh.org/subjects/immunology/
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