In this essay we will discuss about the process of vaccination and immunisation in humans. Vaccination is the most important method of preventing infection of micro-organisms, especially of bacteria and viruses. In this, a vaccine (antigen) is inoculated inside body to stimulate the formation of antibodies by the defensive system of the body, so a vaccine has antibody-provoking agents. Thus [...]
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 essay we will discuss about:- 1. Meaning of Immunology 2. History of Immunology 3. Scope. Essay on the Meaning of Immunology: In the process of evolution, the body of organisms has developed the property of distinguishing "self" and "nonself", the "self" is accepted and "nonself" is rejected or degraded. For the rejection or degradation of "nonself", organisms' body [...]