Card Set Information
The study of the reactions of a host when foreign substances are introduced into the body
Foreign substances that induce such an immune response
The condition of being resistant to infections.
Discovery of small pox vaccine
Deliberately exposing an individual to material from smallpox lesions to reduce effects of the disease
Procedure of injecting immunogenic material into the body to induce immunity
Live organisms that have been changed by heat, age, or chemical means
Protection that is always present
Protection that arises by an immune response
Substances, usually proteins, present in any bodily fluid
Innate and adaptive further divided into:
Serum factors in the blood formed in response to exposure to foreign substances
The study of the noncellular components in the blood
Process by which particulate antigens, such as cells, aggregate to form larger complexes when a specific antibody is present
The combination of a soluble antigen with a soluble antibody to produce visible insoluble complexes
Functions in early stages of host defense in response to an antigen
When antigen causes a disease, it is a?
Cells engulf and degrade antigen
What are the two populations of phagocytes?
Soluble proteins that regulate immune responses
Defend against virally infected cells and some tumor cells.
Natural Killer Cells
Main host defense mechanism activated in response to parasitic infections, particularly helminths.
When basophils degranulate in excessive amounts, an enormous hypersensitivity results
They are the most potent phagoctyic cell in the tissues
Most widely used indicator of acute inflammation
Latex agglutination test for elevated levels in the serum
A series of serum proteins that are normally present
Overall function: Mediation of inflammation
Mechanisms activated in tissue damage referred to a:
Designed for antigens and antibodies very small in size or in very low concentrations
The presence of antigens or antibodies is determined _____________ by using a labeled reagent.
Make it possible to quantitate antigen or antibody
The substance to be measured is known as an
Indicator labels for immunoassays fall into four broad categories:
The key cell involved in the immune response
Two primary lymphoid organs
Effector cells serving a regulatory role
Large, granular, & plays a role in both the innate &
adaptive immune response