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Cards In This Set
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Spirocerca lupi esophageal worm
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 - paper-clip shape- prepatent period: 6 months |
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Physalopterastomach worm
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 - attach to surface of the stomach and feed on blood and gastric tissue- causes vomiting, anorexia, and dark, tarry stools- can be confused with ascarids/roundworms- prepatent period: 56-83 days |
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Toxocara canisroundworm
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 - found in the small intestines- affects puppies and kittens- eggs are spherical with a deeply pigmented center and rough, pitted outer shell- prepatent period: 21-35 days |
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Toxocara catiroundworm
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 - found in the small intestines- appears the same as T. canis, only smaller- prepatent period: 4-6 months |
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Toxocara leoninaroundworm
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 - found in the small intestines- eggs are spherical to ovoid and have a smooth outer shell with a hyaline or "ground glass" central portion- prepatent period: 74 days |
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Ancylostoma caninumcanine hookworm
Ancylostoma braziliensecanine and feline hookworm Ancylostoma tubaeformefeline hookworm |
 - small intestinal nematodes- common in tropical and subtropical regions of North America- can produce severe anemia in puppies and kittens (kennels and catteries)- eggs are oval or ellipsoid, have thin walls, and contain 8-16 cells |
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Uncinaria stenocephalanorthern canine hookworm
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 - small intestinal nematode- similar in appearance to Ancylostoma spp. |
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Strongyloides stercoralisintestinal threadworm
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 - nematode- males do not exist; only parthenogenetic females (can lay eggs without copulation with a male)- in dogs the eggs hatch in the intestine- prepatent period: 8-14 days |
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Trichuris vulpiscanine whipworm
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 - live in the cecum and colon- have a lemon/football shape- eggs have a thick, yellow-brown, symmetric shell with polar plugs at both ends- prepatent period: 70-90 days |
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Dipylidium caninumdog and cat flea tapeworm
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 -"cucumber seed", "double-pore" tapeworm- most common tapeworm found in the small intestine of the dog and cat because of ingesting infected fleas- when dried out they resemble uncooked grains of rice- have lateral pores located along the midpoint of each edge (hence "double-pore")- prepatent period: 14-21 days |
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Taenia pisiformisdog tapeworm
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 - canine taeniid- these proglottids have a single lateral pore located along the midpoint of either of their edges- eggs are slightly oval and contain a single oncosphere with three pairs of hooks |
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Echinococcus granulosusdog tapeworm
Echinococcus multilocularisfeline tapeworm |
 - associated with unilocular and multilocular hydatid disease- poses an extreme zoonotic potential- very small tapeworm that is often overlooked |
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Moniezia spp.large animal tapeworm
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 - found in the small intestine of cattle, sheep, and goats- eggs have a cuboidal or pyramidal shape- prepatent period: approx. 40 days |
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Enterobius vermicularishuman pinworm
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 - not found in dogs or cats |
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Spirometra spp."zipper" tapeworm
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 - found in the small intestine- affects dogs and cats in Florida and the Gulf Coast of North America- eggs resemble a fluke or trematode and has an operculum at one end of the poles- while connected to the jejunum, they can "unzip" along the longitudinal axis; sheds into the feces |
