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5 Cards in this Set

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Phylogenic parasites
1.protozoa-unicellular
2.helminthes-multicellular worms
3.arthropods-animals w/ segmented body & chitinous exoskeleton (vectors, ectoparasites
Parasite Habitats
1.Obligatory vs. facultative
2.endoparasite vs. ectoparasite
3.intracellular vs. extracellular
Who gets parasites
1.Immigrants
2.travelers
3.immunosuppressed
4.military
Types of host
1.definitive (primary) host=Completes Sexual phase
2.Intermediate (secondary) host=asexual
3.Vector=transmits(also a host)
4.Reservoir=source of parasite transmition
Why know life cycle?
1.to design effective control for individ/public
2.obtaining appropriate specimens for diagnosis