The immunity formed by stimulation of the immune system with an antigen and the generator of effector and memory cells; it is contrasted with passive immunity.

The response generated when an antigen is encountered for the first time; contrasted with the secondary response.

An injected solution of antigen or antibodies that is designed to cause an immune response.

A class of lymphocyte; once activated, they are characterized by the production of antibodies.

Non-infectious disease

A disease that is not transmitted from one organism to another.

Describes agents (e.g. cells) that are not recognized by the immune system as being part of the organism itself.

Causes inflammation, blood vessel widen, allowing more blood to travel to the invasion.

A non-cellular pathogenic agent with either DNA or RNA that can only reproduce inside a living cell.

When the response is the same regardless of the type of pathogen.

A protein receptor found on the surface of T cells, binds to the antigens.

The enforced isolation of individuals at risk of carrying disease to prevent the spread of that disease into healthy populations.

A living organism that transmits pathogens from one host to another.

The response generated when the body encounters a pathogen it has previously generated an immune response. Occurs more rapidly and is of greater magnitude than the primary response.

An effector B cell that has differentiated to become highly specialized for producing antibodies

A cell that is capable of phagocytosis; includes macrophages.

Major Histocompatibility Complex (MHC)

Protein markers found on the cell surface that are important in recognizing 'self' from 'foreign' there are two types; MHC II = is found only on antigen presenting cells.

A large molecule, usually a protein, which generates an immune response.

A substance that destroys microorganisms and their spores but is too strong to use directly on the skin.

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BIOLOGY

bio exam: infectious diseases term2

Term	Definition
Active Immunity	The immunity formed by stimulation of the immune system with an antigen and the generator of effector and memory cells; it is contrasted with passive immunity.
Primary response	The response generated when an antigen is encountered for the first time; contrasted with the secondary response.
Vaccine	An injected solution of antigen or antibodies that is designed to cause an immune response.
B-cells	A class of lymphocyte; once activated, they are characterized by the production of antibodies.
Non-infectious disease	A disease that is not transmitted from one organism to another.
Non-self/ foreign	Describes agents (e.g. cells) that are not recognized by the immune system as being part of the organism itself.
Vasodilation	Causes inflammation, blood vessel widen, allowing more blood to travel to the invasion.
Virus	A non-cellular pathogenic agent with either DNA or RNA that can only reproduce inside a living cell.
Pathogen	A disease-causing organism
Non-specific	When the response is the same regardless of the type of pathogen.
T-cell receptor	A protein receptor found on the surface of T cells, binds to the antigens.
Quarantine	The enforced isolation of individuals at risk of carrying disease to prevent the spread of that disease into healthy populations.
Vector	A living organism that transmits pathogens from one host to another.
Secondary response	The response generated when the body encounters a pathogen it has previously generated an immune response. Occurs more rapidly and is of greater magnitude than the primary response.
Plasma cell	An effector B cell that has differentiated to become highly specialized for producing antibodies
Phagocyte	A cell that is capable of phagocytosis; includes macrophages.
Major Histocompatibility Complex (MHC)	Protein markers found on the cell surface that are important in recognizing 'self' from 'foreign' there are two types; MHC II = is found only on antigen presenting cells.
Antigen	A large molecule, usually a protein, which generates an immune response.
Disinfectant	A substance that destroys microorganisms and their spores but is too strong to use directly on the skin.

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