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23 terms

Parasitology Terminology

4-30-12
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Ascarid
Round worm (Type of Nematode)
Cestode
Flat worm, segmented (i.e. Tapeworm)
Definitive Host
Host that parasite matures and reproduces in (i.e. Heartworm and dogs)
Ectoparasite
External parasite
Endoparasite
Internal parasite
Intermediate host
Host that harbors immature parasite stages. parasite MUST pass through this host to develop.
Infection
Caused by endoparasite
Infestation
Caused by ectoparasite
Lifecycle
Refers to the amount of time it takes an ECTOparasite to mature from egg to adult.
Microfilaria
Worms in the blood
Myiasis
Maggot infestation
Nematode
Round worm (i.e. earthworm)
Obligatory parasite
Requires a host to live
Parasitism
The host is harmed and the parasite benefits
Paratenic host/Transport host
Host that carries immature parasite without harm to itself. (i.e. Rat)
Protozoan
Single-celled organism. Reproduces via binary fission. (i.e. Toxoplasmosis)
Reservoir host
Houses immature form of parasite, but is not the definitive host. The parasite may mature and can spread to other hosts.
Trematode
Flatworm, unsegmented. (i.e. Flukes)
Vector
Transmits infectious agents between hosts. (i.e. Ticks)
Zoonosis
Dz spread from animals to humans
Prepatent period
ENDOparasite maturation. Time from initial infection to eggs appearing in feces.
Pediculosis
Lice infestation.
Gravid
Pregnant