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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 |
Created by:
Acraft02
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