Vaccines: Definition and Types of Vaccines! Definition Vaccine (L. vacca = cow) is a preparation/suspension or extract of dead/attenuated (weakened) germs of a disease which on inoculation (injection) into a healthy person provides temporary/permanent active/passive immunity by inducing antibodies formation. Thus antibody provoking agents are called vaccines. The principle of immunisation or vaccination is based on the property of ‘memory’ [...]
Antibodies: Characteristics and Functions of Immunoglobulin’s (Igs) or Antibodies! Definition: Antibodies are immunoglobulin’s (Igs) which are produced in the body in response to the antigen or foreign bodies. […]
Organ Transplantation: Notes on Various Types of Organ Transplantation! Transplantation involves the removal of damaged/injured tissues or organs from the body of a person and their substitution by similar tissues/organs from a donor. The world’s first successful organ transplant was kidney transplantation which was undertaken by David Hume and Joseph Kelly at the Peter Brigham Hospital in Boston in 1954. [...]