Parasitology Flashcards
What are Protozoa?
one-celled, microscopic organisms
What are some Protozoan parasites?
Flagellates, Giardia, sporozoa - coccidians
What are Helminths?
multicelled organisms, usually visible to the naked eye
What are some Helminths?
flatworms, trematodes (flukes), cestodes (tapeworm), nematodes (roundworm)
What are ectoparasites/arthropods?
live on external surfaces or in the skin; serve as vectors to transmit infective organisms
What are some forms of ectoparasites/arthropods?
diptera (mosquitoes), blackflies, horseflies, deerflies
Toxacara canis
roundworms (dog)
What is the pre-patent period of Toxacara canis?
3-5 weeks
Where does Toxacara canis live?
small intestines
Ancylostoma caninum
hookworms (dog)
What is the pre-patent period of Anylostoma caninum?
2-3 weeks
Where does Ancylostoma caninum live?
small intestines
Uncinaria stenocephala
hookworms (dog)
What is the pre-patent period of Uncinaria stenocephala?
2 weeks
Where does Uncinaria stenocephala live?
small intestines
Trichuris vulpis
whipworms (dog)
What is the pre-patent period of Trichuris vulpis?
3 months
Where does Trichuris vulpis live?
large intestines
Dirofilaria immitis
heartworm (dog and cat)
What is the pre-patent period of Dirofilaria immitis?
6-8 months
Dictophyma renale
giant kidney worm (dog)
What is the pre-patent period of Dictophyma renale?
5 months
Toxacara cati
roundworms (cat)
What is the pre-patent period of Toxacara cati?
8 weeks
Where do Toxacara cati live?
small intestines
Ancylostoma tubaeforme
hookworms (cat)
What is the pre-patent period of Ancylostoma tubaeforme?
3 weeks
Where do Ancylostoma tubaeforme live?
small intestines
Toxacaris leonina
roundworms (dog and cat)
Where do Toxacaris leonina live?
small intestines
Capillaria plica
bladderworm (dog)
Capillaria feliscati
bladderworm (cat)
What is the pre-patent period of Capillaria plica/feliscati?
60 days
Strongyloides stercoralis
threadworm (dog and cat)
What is the pre-patent period of Strongyloides stercoralis?
8-14 days
Dipylidium caninum
tapeworms (dog and cat)
What is the pre-patent period of Dipylidium caninum?
3 weeks
Taenia spp.
tapeworms (dog and cat)
What is the pre-patent period of Taenia spp.?
2 months
Where do Taenia spp. live?
small intestines
Where do Dipylidium caninum live?
small intestines
Echinococcus spp.
tapeworms (dog and cat)
What is the pre-patent period of Echinococcus spp.?
47 days
Where do Echinococcus spp. live?
small intestines
Cystoisospora spp.
coccidia (dogs and cats)
What is the pre-patent period of Cystoisospora spp.?
4-12 days
Where do Cystoisospora spp. live?
small intestines
Parascaris equorum
roundworms (horse)
Eimeria leuckarti
coccidia (horse)
What is the pre-patent period of Parascaris equorum?
10 weeks
Where do Parascaris equorum live?
small intestines
What is the pre-patent period of Eimeria leuckarti?
15-33 days
Cyathostomes
small strongyles (horse)
What is the pre-patent period of Cyathostomes?
2-3 months
Where do Cyathostomes live?
large intestine
Strongylus spp.
large strongyles (horse)
What is the pre-patent period of Strongylus spp.?
6-12 months
Where do Strongylus spp. live?
large intestines
Oxyuris equi
pinworms (horse)
What is the pre-patent period of Oxyuris equi?
5 months
Where do Oxyuris equi live?
large intestines
Strongyloides westeri
threadwors (horse)
What is the pre-patent periof of Strongyloides westeri?
8-14 days
Where do Strongyloides westeri live?
small intestines
Gasterophilus spp.
bot flies (horse)
Where do Gasterophilus spp. live?
stomach
Fasciola spp.
liver fluke
What is the pre-patent period of Fasciola spp.?
10-12 weeks
Where do Fasciola spp. live?
liver
Bunostomum spp.
hookworms (large animal)
What is the pre-patent period of Bunostomum spp.?
2-3 weeks
Where do Bunostomum spp. live?
small intestines
Trichuris spp.
whipworms (large animal)
What is the pre-patent period of Trichuris spp.?
2-3 months
Where do Trichuris spp. live?
large intestines
Cryptosporidium spp.
cryptosporidia
What is the pre-patent period of Cryptosporidium spp.?
4-10 days
Where does Cryptosporidium spp. live?
small and large intestines
Cuterebra spp.
warbles
What is the life cycle of Cuterebra spp.?
fly -> egg on ground, L1 on host migrate to L3 -> pupate on ground
Ctenocephalides spp.
flea (cat & dog)
Ixodes scapularis
deer tick
Sarcoptes spp.
sarcoptic mange mite
What is the life cycle of Sarcoptes spp.?
egg -> larvae -> nymph -> adult
all takes place on the host
Demodex spp.
demodectic mange mite
Cheyletiella spp.
walking dandruff mite
Otodected cynotis
ear mite (cat & dog)