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Parasitology I
VT208 - flashcard set 1
60
Veterinary Medicine
Undergraduate 2
09/12/2018

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Term
aberrant parasite
Definition
wandering parasite; wanders to different areas of the body than the parasite naturally inhabits
Term
acanthocephalins
Definition
a thorny-headed worm
Term
acaricides
Definition
substance poisonous to mites or ticks (arachnids)
Term
adulticide
Definition
substance poisonous to adult helminths
Term
amicrofilaremic
Definition
referring to absence of immature filarial parasites
Term
annelids
Definition
earthworms, segmented worms
Term
anthelmintics
Definition
chemical compounds developed to kill helminth parasites
Term
antiprotozoals
Definition
substance developed to kill protozoan organisms
Term
arachnid
Definition
an anthropod of the class Arachnida such as a spider, scorpion, ticks, and mites
Term
ascarids
Definition
a genus of parasitic nematode worms known ass "small intestinal roundworms"
Term
commensalism
Definition
type of symbiotic relationship in which one party benefits while the other is not affected
Term
common name
Definition
name of a living organism; differentiate between places around the world
Term
definitive host
Definition
host that harbors the sexually active adult or mature stage of the parasite
Term
ectoparasite
Definition
parasite that lives on the outside of the host
Term
endoparasite
Definition
parasite that lives within the body of the host; can produce an infection in the host
Term
erratic parasite
Definition
same as abberant parasite
Term
euryxenous parasite
Definition
parasite with a very broad host range
Term
facultative parasite
Definition
organism that is usually free-living in nature that develops a parasitic existence in certain hosts
Term
free-living parasite
Definition
an organism which is capable of living in the environment and leading a nonparasitic existence
Term
genus name
Definition
indicates the group to which a particular type of plant or animal belongs (capitalized)
Term
helminths
Definition
parasitic worm
Term
homoxenous parasite
Definition
parasite that will only infect one type of host
Term
host
Definition
the party in which or on which a parasite lives
Term
incidental parasite
Definition
parasite that is found in a host in which it does not usually live
Term
infection
Definition
a condition caused by an endoparasite
Term
infestation
Definition
a condition caused by an ectoparasite
Term
insecta
Definition
the class comprising the insects
Term
insecticides
Definition
substance made to kill insects
Term
intermediate host
Definition
host that harbors the larval, juvenile, immature, or asexual stages of the parasite before transferring it to another host
Term
larviparous
Definition
type of female nematode that retains her eggs within the uterus and produces live first-stage larvae
Term
life cycle
Definition
development of a parasite through its various life stages. every parasite has its own distinct, individual life cycle with at least one definitive host and may have one or more intermediate hosts
Term
Linnaean Classification Scheme
Definition
every living organism can be classified using the following scheme: kingdom, phylum, class, order, family, genus, and species.
Term
microfilaricide
Definition
dewormer that kills the immature filarial worm
Term
monoxenous parasite
Definition
a parasite that will only infect one type of host
Term
mutualism
Definition
type of symbiotic relationship in which both organisms in the relationship derive some benefit
Term
nematode
Definition
roundworms
Term
obligatory parasite
Definition
parasite that must lead a parasitic existence
Term
oviparous
Definition
type of nematode egg that contains either a single cell or a morula, a grapelike cluster of cells
Term
ovoviviparous
Definition
type of nematode egg that contains a first-stage larva
Term
parasite
Definition
the party that lives on or within the host
Term
parasitiasis
Definition
parasitic relationship in which the parasite is present on or within the host and is potentially pathogenic (harmful); the animal does not exhibit outward clinical signs of disease
Term
parasitosis
Definition
parasitic relationship in which the parasite is present on or within the host and causes obvious injury or harm to the host animal; host exhibits obvious outwar signs of clinical parasitism
Term
parasiticides
Definition
substance used to treat specific internal and external parasites
Term
parasitology
Definition
the study of parasites
Term
paratenic host
Definition
host used for transport of a parasite. the parasite does not go through any developmental stages
Term
pathogenecity
Definition
disease causing potential
Term
periodic parasite
Definition
parasite that makes frequent short visits to its host to obtain nourishment or other benefits
Term
phoresis
Definition
type of symbiotic relationship in which the smaller member in the relationship is mechanically carried by the larger member
Term
platyhelminthes
Definition
a phylum of worms having bilateral symmetry and a soft, usually flattened body, comprising the flatworms.
Term
protozoan parasite
Definition
unicellular, or single cell, organisms that may be flagellates, amoebae, sporozoans, apicomplexans, or ciliates.
Term
pseudoparasite
Definition
living creatures or inanimate objects that are not parasitic but may be mistaken for or identified as parasites
Term
reservoir host
Definition
vertebrate host in which a parasite or disease occurs in nature and is a source of infection for humans or other domesticated animals
Term
scientific name
Definition
name for a living organism that is composed of two Latin words, usually written in italics
Term
specific epithet
Definition
indicates the type of animal itself (lowercase)
Term
stenoxenous parasite
Definition
parasite with a narrow host range
Term
symbiosis
Definition
any association between at least two living organisms of different species
Term
transport host
Definition
special type of intermediate host in which the parasite does not undergo any development in the host
Term
trematode
Definition
flukes
Term
vectors
Definition
an organism that transmits a disease or parasite from one animal or plant to another
Term
zoonosis
Definition
disease or parasite that is transmissible from animals to humans
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