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Tapeworms diseases of veterinary and medical significance
Terms in this set (57)
Are tapeworms parasitic?
What shape are tape-worms?
Tapeworms are a ______ flatworm?
Do tapeworms have both male and female parts?
Are cyclophyllideans and pseudophyllideans the most important groups of cestodes in human and vet med?
Do tapeworms have dorsoventrally flattened body?
What do you call a chain of segments on a tapeworm?
All stages of sexual development displayed in linear array beginning at the scolex?
What part of the tapeworm has eggs in it?
Do tapeworms have a digestive tract?
What is the strobila?
entire length of the worm (segmentation)
Is the scolex a mouth?
If you eliminate what on the tapeworm it will kill it?
What is the scolex?
Is bothria a scolex?
What makes the bothria unique?
2 flaps (on dorsal/ventral surface)
Where does the scolex maintain position?
What do proglottids have?
What structure increase the absorptive area of the tegument (specialized tissue, not to be confused to integument) and are similar to microvilli in the gut (intestine turned inside out)
Name this system: circular is outer (next to microtriches) and longitudinal is positioned more interior?
Name the system: lacking and nutrients are absorbed directly though the tegument?
Is the life cycle direct or indirect?
What make Hymenolepis nana different from all other tapes?
it has a direct life cycle
General life cycle: Eggs are passed in the ___ of the definitive host?
Where is the metacestode found?
Who harbors the adult worm?
Important metacestodes: plerocercoid- ____ ____
solid body (diphyllobothrium)
Important metacestodes: Cysticercoid has a solid body that lack what? (hymenolepis)
Important metacestodes: cysticerus - ________?
Important metacestodes: Coenurus - bladder-like structure in which scolices bud from what?
Important metacestodes: Hyatid cyst cotains ______ and secondary of brood cysts?
Infective stage is either the ____ or ____ depending on the species?
is Praziquantel, fenbendazole, leviamisole, and albendazole used to treat adult tapes or eggs?
What is the most common drug used to treat adult tapeworms?
Surgical removal, mebendazole, and albendazole are used for what?
Do Diphyllobothriasis have a low degree of specificity?
D. latum is commonly referred to as what?
broad fish tapeworm
Does Diphyllobothriasis involve dogs, cats, bears, and humans?
What is usually the definitive host in Diphyllobothriasis?
Diphyllobothriasis adult has a scolex with what? and ____ genital atrium?
2 bothria, ventral
Diphyllobothriasis has an egg with what?
Does a fluke have an anopercular knob?
Where is the egg of D. latum shed? what emerges from the egg? Coracidum is eaten by a ____ , once in the copepod the coracidum develops into ____, a fish then eats the infected copepod and the procercoid transforms into ____, Pleroceroid becomes the ____?
water, coracidum, copepod, procercoid, plerocercoid, adult
D. Latum: What is the coracidum?
true larval stage
D. Latum: what is a copepod?
1st intermediate host
What is the 2nd intermediate host of D. latum?
Where does the adult of D. Latum reside?
small intestine (duodenum)
Do dogs and cats infected with D. Latum show minimal signs of infection?
D. Latum, causes ____ pernicious ____ because the worm absorbs high quantities of vitamin ___?
tapeworm, anemia, b12
Is D. Latum mostly a parasite of Scandinavia and baltic states?
You can ingest D. Latum from food borne what?
What is the diagnostic stages of D. Latum?
egg or proglottid
Are fecal concentrations and flotation excellent methods to recover the eggs of D. Latum?
What are the eggs of D. Latum sometimes misidentified as what?
Do fluke eggs float or sink?
What is the drug of choice for D. Latum?
Plerocerocid stage infects what?
sc tissue, eyes
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