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Definitions (77)
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transstadial transmission
This is the passage of a disease agent from an infected immature stage to the next immature stage or to the adult stage of an arthropod vector. For example, LaCrosse Encephalitis virus can pass throug [..]
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complete metamorphosis
This is the process of growth and development of the vast majority of insect species in which an individual insect develops through several larval stages and then a non-feeding pupal stage before reac [..]
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aedes
The name of a genus of mosquitoes that consists of a group of closely related species. Until recently, the genus Aedes was used "broadly" to include a large number of species grouped [..]
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allergen
The name given to an antigen that is capable of inducing the production of a specific type of antibody (IgE) in a very small percentage of people. Such individuals are prone to develop allergies. Comm [..]
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allergic reaction
A reaction involving the immune system that is associated with IgE antibody and the release of specific chemicals such as histamine from cells of the immune system. Symptoms include inflammation, incr [..]
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amplifying vector
A designation given to a species of arthropod that contributes to the buildup and transmission of a disease-causing agent by transmitting the agent among vertebrate hosts. For example, Culex restuans [..]
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anaplasmosis
A disease of vertebrate animals caused by bacteria in the genus Anaplasma, which are intracellular parasites that undergo development within a type of white blood cell known as a granulocyte.
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anaphylaxis
This is an extreme form of allergic reaction to an allergen in a sensitized person. The reaction can cause constriction of airway passages, extensive swelling of tissues in the throat area, and cardio [..]
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ant
A member of the insect order Hymenoptera (ants, bees, and wasps), all species of which are social and exist in colonies consisting primarily of females known as "workers." Ants are h [..]
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antibody
A type of chemical (an immunoglobulin) produced by certain cells of the immune system that binds to an antigen, often with a high degree of specificity. Antibodies are involved in defending against vi [..]
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