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Chapter 1 and 2 Parasitiology
N/A
52
Veterinary Medicine
Undergraduate 1
01/10/2012

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Term
Symbiosis
Definition
association between two organisms of different species either temporary or permanent.
Term
Symbiont
Definition
each member of symbiosis.
Term
Predator-prey relationship
Definition
an extremely short-term relationship where one symbiont benefits at the expense of the other.
Term
Phoresis
Definition
the smaller member of the symbiotic relationship is mechanically carried by the larger one.
Term
Mutualism
Definition
an association where both organisms benefit from each other.
Term
Commensalism
Definition
an association where one symbiont benefits and the other is neither benefited or harmed.
Term
Parasitism
Definition
an association between a parasite and a host that may cause harm.
Term
Parasitology
Definition
the study of parasitic relationships.
Term
Parasitosis
Definition
parasites are present on or within the host and does produce obvious injury or harm.
Term
Ectoparasite
Definition
parasites that lives ON the body of the host.
Term
Endoparasite
Definition
parasites that lives INSIDE the body of the host.
Term
Infestation
Definition
condition caused by ectoparasites.
Term
Infection
Definition
condition caused by endoparasites.
Term
Parasiticides
Definition
chemical compounds used to treat specific internal and external parasites.
Term
Anthelmintics
Definition
compounds developed to kill roundworms, tapeworms, flukes, and thorny-headed worms.
Term
Acaricides
Definition
compounds developed to kill mites and ticks.
Term
Insecticides
Definition
compounds developed to kill insects.
Term
Antiprotozoals
Definition
compounds developed to kill protozoan organisms.
Term
Erratic / Aberrant parasites
Definition
A parasite that occasionally wanders from its usual site of infection into an organ or location it does not normally live.
Term
Incidental parasite
Definition
A parasite that can occur in a host it does not usually live.
Term
Facultative parasites
Definition
organisms that are "free-living" or nonparasitic that can become parasitic in certain hosts.
Term
Obligatory parasite
Definition
a parasite that must lead a parasitic existence.
Term
Periodic parasite
Definition
a parasite that makes frequent short visits to its host to obtain nourishment.
Term
Pseudoparasites
Definition
creatures or objects that may be mistaken for a parasite.
Term
Life cycle
Definition
the development of a parasite through its life stages.
Term
Definitive host
Definition
a host that harbors the adult, sexual, or mature stages of the parasite.
Term
Intermediate host
Definition
a host that harbors the larval, juvenile, immature, or asexual stages of the parasite.
Term
Encysted
Definition
where a parasite does not change, but remains arrest.
Term
Transport / Paratenic host
Definition
a host that carries an encyst parasite.
Term
Reservoir host
Definition
a vertebrate host where a parasite or disease occurs in nature.
Term
Homoxenous / Monoxenous parasite
Definition
a parasite that will infect on only one type of host.
Term
Stenoxenous parasite
Definition
a parasite that has a narrow host range.
Term
Euryxenous parasite
Definition
a parasite that has a broad range of hosts.
Term
Zoonosis
Definition
any disease or parasite that is transmittable between animals and humans.
Term
Linnaean Classification
Definition
kingdom, phylum, class, order, family, genus, and species.
Term
Common name
Definition
a name for a living organism in different regions of the world.
Term
Scientific name
Definition
a name for a living organism that is composed of two Latin words.
Term
Genus name
Definition
name that indicates the group an animal or plant belongs to.
Term
Specific epithet
Definition
indicates the type of animal itself.
Term
Planta
Definition
plants
Term
Animalia
Definition
animals
Term
Protista
Definition
unicellular organisms
Term
Monera
Definition
algea
Term
Fungi
Definition
fungi
Term
Monogenetic flukes
Definition
ectoparasites of fish, amphibians, and reptiles.
Term
Digenetic flukes
Definition
parasites that infect both small and large animals.
Term
True tapeworms
Definition
flat ribbon-like worms found in the gastrointestinal tract of their host.
Term
Pseudotapeworms
Definition
similarly resemble true tapeworms and also found in the gastrointestinal tract of their host.
Term
Roundworms
Definition
elongated, unsegmented, cylindric worms.
Term
Thorny-headed worms
Definition
elongated, unsegmented, cylindric worm with spiny proboscis on their anterior ends.
Term
Leeches
Definition
blood-feeding ectoparasites of both wild and domesticated animals.
Term
Arthropoda
Definition
largest animal phylum including; pentastomes, crustaceans, centipedes, millipedes, insects, mites, ticks, scorpions, and spiders.
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