wcc general parasite terms
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| parasitology | sutdy of organisms which are metabolically dependent on other species
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| parasite | organism that lives within, upon, at the expense of other organism
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| pseudoparasite | false, dust pollen etc.
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| spurious parasite | infects a host that is not its normal host (accidental)
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| host | organism parasite obtains nourishment
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| intermdediate host | undergoes a stage in its devel but does not reach sex maturity
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| bilogical vector | body the parasit devel or multiplies in before becoming infective
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| mechanical vector | temporary host, transports, does ot develop
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| helminth | organism belonging to the Phyla Platyhelminthes, acanthocephala, nemathelminthes, annelida (may be freeliving or parasitic)
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| phyla Platyhelminthes | flatworms
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| acanthocephalia | spiny headed worms
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| nemathelminthes | threadworms, roundworms
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| annelida | segmented worms
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| anthelminthic, anthelmintic | agent that destroys parsisitic intestinal worms
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| prepatent period | devel stage in an infection before agent shows prescence
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| patent period | open period, stage where agent produces evidence of prescence
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| acariasis, acarinosis, acaridiasis | disease caused by mites
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| ascariasis | disease caused by ascarid
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| ascarid | mites and ticks
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| myiasis | disease caused by an infestaion of maggots (fly larvae)
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| McMaster Tech | quantitative tech for cntg parsite eggs in ruminant feces, floatation of cnctrtd salt
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| Baermann Tech | lab method for separating parasite larvae from feces, soil or plant growth
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| Ext Paras - Fleas desc | 1500 known species, ctenocephalides felis, ctenocephalides canis. have preferred host but alternate, laterally flattened, enlarged 3rd leg
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| Fleas cycle | flea -- egg -- larvae -- papae -- adult dev off host, cocoon, emerge 5 days to 4 wks later
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| Fleas Dx | visual sighting, dirt, eggs and larvae; pruritis
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| Fleas Tx | adulticides; Advantage, Advantix, Frontline, revolution, capstar--IGR's lufenuron
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| Ext paras - Bot Flies | Bot flies; Gasterophilus sp. horses, eggs can be seen attached to hairs
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| bot flies - cycle | eggs attached to haris - hatch, larvae crawl to mouth and are swalloed, buorrow into mucosa, attach to stomach wall, thur feces where they becom adult
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| bot flies Dx | lesions of the lip nose or stomach, oral/gastic ulceration
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| bot flies Tx | remove from hair, Ivermectin
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| ectoparasite | living on the surface of the host's body
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| endoparasite | lives within the host's body
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| transplacental | penetration of the placenta by an organism, toxin, or chemcial that could affect a fetus
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| prenatal | before birth
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| transmammary | trans of organism, toxin, or chemical from mother to young via milk
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| proglottid | one segment making up the body of the tapeworm
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| scolex | attachement organ of a tapeworm, located at the anterior end
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| hydatid cyst | formed in tissues resulting from the dev of certain tapeworms, may grow to enourmous size
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| microfilaria | larva of worms in the superfamil Filariodea, found in bld or tissues of animcal infected with adult worms
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| trophozoite | acivte motile feeding stage of flagellate protozoa such as Giardia spp.
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| oocyst | resistant stage of the life cycle of coccidial parasites, can survive long periods, can mature and become infective
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