Immunology is a branch of science under broad spectrum of Biology which deals with the study of remarkable defense mechanism of the body (completely in vertebrates and partly in invertebrates) against harmful foreign invading agents or particles and to protect body from pathogenic microorganisms and- some severe diseases. We are always exposed to a vast environment which contains different types [...]
In this article we will discuss about:- 1. Meaning of Autoimmune Disease 2. Causes of Autoimmune Disease 3. Treatment. Meaning of Autoimmune Disease: Autoimmunity is a condition characterized by the presence of serum autoantibodies and self-reactive lymphocytes (T-cells). It manifests sometimes when the body loses immune tolerance (body's condition to distinguish its own self-antigens from foreign non-self-antigens and not mounting [...]
In this article we will discuss about the primary and secondary immunodeficiencies seen in humans. Primary Immunodeficiencies: An immunodeficiency that arises from a genetic or developmental defect in the immune system is called a primary immunodeficiency. Such defects are present at birth and become manifest at different stages during development. Most defects affect either the lymphoid (giving rise to B [...]