Immunology

Immunology is a branch of biology that covers the study of immune systems in all organisms. Immunology charts, measures, and contextualizes the: physiological functioning of the immune system in states of both health and diseases; malfunctions of the immune system in immunological disorders (such as autoimmune diseases, hypersensitivities, immune deficiency, and transplant rejection); the physical, chemical and physiological characteristics of the components of the immune system in vitro, in situ, and in vivo.
 
Hierarchy Of The Topic:

• Overview of Immunity
• The Innate Immune Response
• Phagocytes
• Innate Defenders
• The Adaptive Immune Response
• Antigens and Antibodies
• Antibodies
• T Cells and Cellular Immunity
• Antigen-Presenting Cells
• Immunity and Molecular Signals
• The Major Histocompatibility Complex (MHC)
• Classifying Immunities