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Micro Test 4
micro test 4
20
Microbiology
Undergraduate 2
04/30/2012

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Term
antigen
Definition
a foreign molecule that elicits an immune response
Term
antigens
Definition
bind to antibodies...
Term
cytokines
Definition
proteins that regulate immune response
Term
lymphocytes
Definition
white blood cells that mediate the adaptive immune response
Term
B cells
Definition
produced and mature in the bone marrow
Term
T cells
Definition
precursor produced in the bone marrow, but mature in the thalamus
Term
Humoral Immune Response
Definition
B cells produce antibodies that bind to antigens and mark them for elimination
Term
Cell- Mediated Immune Response
Definition
Cytotoxic T cells (CD8) attack and kill cells that are infected with a virus or bacteria
Term
Cell-Mediated Immune Response
Definition
Helper T Cells (CD4) activate other parts of the immune response, and stimulate B cells to produce antibodies.
Term
Vaccination
Definition
exposing a person to material that is antigenic but not pathogenic
Term
Killed or Inactivated Pathogen
Definition
Influenza, Polio
Term
Acellular or Subunit vaccines
Definition
Tetanus, Diptheria, HPV
Term
Recombinant vaccine
Definition
Hep B series, Hib vaccine
Term
Allergy
Definition
altered reactivity or exaggerated immune response manifested by inflammation
Term
Allergens
Definition
the antigen to which allergic individuals are sensitive
Term
Phenotype
Definition
Observable characteristic of an organism, physical expression of the genetic material
Term
Phenotypic Methods
Definition
Microscopic morphology
Macroscopic morphology
Physiological/Biochemical characteristics
Chemical analysis
Term
Agglutination
Definition
antigens are whole cells such as red blood cells or bacteria with determinant groups on the surface
Term
precipitation
Definition
the antigen is a soluble molecule
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