The adaptive immune system, also known as the acquired immune system or,
more rarely, as the specific immune system, is a subsystem of the overall immune
Acquired immunity definition, immunity arising from exposure to antigens. See
... know about Innate Immunity or Natural Immunity that we inherit from our
parents. Apart from this, there also exists another type of Immunity- Acquired
Immunity obtained either from the development of antibodies in response to
exposure to an antigen, as from vaccination or an attack of an infectious disease,
Specific acquired immunity against infectious diseases may be mediated by
antibodies and/or T lymphocytes. Immunity mediated by these two factors may be
Acquired immunity: Immunity acquired by infection or vaccination (active
immunity) or by the transfer of antibody or lymphocytes from an immune donor (
immunity that develops after exposure to a suitable agent (as by an attack of a
disease or by injection of antigens)—compare active immunity, innate immunity, ...
The body's third line of defense is the adaptive immune system, also called the
acquired immune system because we are not born with it, but acquire it through ...
Todar's Online Textbook of Bacteriology chapter on adaptive immunity to
bacterial pathogens, including AMI and CMI responses.