Specific Defense

Macrophage

A type of Phagocyte that
makes antigens recognizable
to white blood cells.

Antigen

Substance that triggers
an immune response

Lymphocyte

Specialized white blood cell that
performs many
functions of specific defense.

T Cell

Helper T Cell

Trigger the production
of T and B cells

Killer T Cell

Attack and destroy
infected body cells

Suppressor T Cell

Coordinates the actions of other T
cells and tells T cells when the
infection is gone and when
K and B cells can stop being
produced.

B Cell

Antibodies

Proteins that act against
a specific antigen

Immunity

Immunity is the state
of being protected
against a certain
disease.

Active Immunity

Immunity gained by natural or
artificial introduction to a disease

Passive Immunity

Temporary Immunity
passed onto you by other
people or animals.