• calendar
  • globeToronto, Canada

Annual Meeting On Allergy and Immunology

Immunity and immune system

 Immunity and immune system Immunity is the defensive mechanism of our body. Immune system includes various body organs that involves in protection of the body whenever any foreign body enters into the human body. When immune system works properly, it recognizes various threats such as parasites, viruses, bacteria, toxins and thereby distinguishes them from the body’s own healthy tissue. Immune system is activated by various mechanism. It include:  
A. Innate immunity: has 4 defensive barriers: 
· Anatomic (Skin and mucous membrane ) 
· Physiologic ( Temperature, low pH, chemical mediators) 
· Inflammatory. 
B. Adaptive Immunity : has cells like : 
· Antigen specific T cells 
· B cells. Immune system includes major components like lymph node, spleen, bone marrow, lymphocytes, Thymus, leucocytes. 
Related societies: 
· American Academy of Allergy. 
· American Association of Immunologists. 
· National Institute of Allergy & Infectious Diseases. 
· Canadian Society for Immunology. 
· British Society for Immunology.