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VET 221 Week 3
Trematodes, Cestodes, and Protozoans
Question | Answer |
---|---|
Scoex | Head of worm attached to the intestinal wall |
Cestodes | AKA Tapeworms (flatworms) |
Proglottids | Ribbonlike segments behind scolex |
Cestodes are ____ | hermaphroditic |
In some tapeworms the larval stage is known as ____ | hydatid cyst |
Dipylidium caninum | Double-pored tapeworm/Cucumber seed tapeworm |
This is the most common canine tapeworm (SI) | Dipylidium caninum |
Gravid | means "egg carrying" |
The infective stage for Dipylidium caninum is carried by ___ | fleas |
Taenia pisiformis | Canine taeniid |
T. taeniaeformis | Feline taeniid / Feline tapeworm |
Multiceps multiceps and Multiceps serialis | Coenurus-producing tapeworm |
Coenurus | The larval stage found in the intermediate host |
Echinococcus granulosus | unilocular hydatid tapeworm |
E. multilocularis | multilocular hydatid tapeworm |
Multilocular | Having or consisting of many small compartments or cavities |
Spirometra spp. | “Zipper” or sparganosis tapeworms |
Spirometra spp. are ___ and are passed in ___ | zoonotic, water |
Diphyllobothrium spp. | broad fish tapeworm |
Diphyllobothrium spp. absorbs and depletes DH of vitamin ___ | B12 |
Anoplocephala spp. | Lappeted equine tapeworm; dwarf tapeworm |
Moniezia spp. | Ruminant tapeworm |
Moniezia spp. are transferred via _____ | grain mites |
Trematodes | AKA flukes Flat, unsegmented, leaf-shaped |
Operculum | "lid" on one end of egg |
Miracidium | larval stage in egg, hatches in water, exits through operculum |
"Fluke puke" | regurgitate digested food |
Platynosomum fastosum | “Lizard poisoning” fluke of cats |
Nanophyetus salmincola | Salmon poisoning fluke |
Alaria spp. | Intestinal fluke |
Heterobilharzia americanum | Canine blood fluke/ Schistosome of the dog |
Paragonimus kellicotti | Lung fluke of dogs and cats |
Cystoisospora | Coccidia |
Oocyst | Hard shell protecting egg and zygote |
Cystoisospora spp does not require a __ | IH |
Toxoplasma gondii | Toxoplasma |
Cryptosporidium sp. | Cryptosporidium or “crypto” |
Sarcocystis sp. | Sarcocystis |
Giardia spp. | Giardia |
Tritrichomonas sp. | Tritrichomonas |
Tritrichomonas sp. can be transferred through ___ or mechanically by ___ | coitus, flies |
Eimeria spp. | Largest coccidian oocysts |
Macracanthorhynchus hirudinaceus | Thorny-headed worm of swine |
Oncicola canis | Thorny-headed worm of dogs |
Linguatula serrata | canine tongue worm |