Endoparasites Flashcards
what types of species fall under cestodes?
dipylidium caninum
taenia
echinococcus granulosus
echinococcus multiocularis
spirometra
monezia
diphyllobothrium latum
mesocestoides
dipylidium caninum is also known as what?
double pore tapeworm
cucumber seed tapeworm
spirometra is also known as what
zipper tapeworm
what is the intermediate host for dipyldium caninum?
ctenophelidas felis (cat flea)
what do the echinococcus species consist of?
hydatid cysts
what medication handles both dipylidium caninum and taenia species?
praziquantel
fenbendazole (panacur) - only does taenia species
where is diplyidium caninum located?
small intestine of dogs, cats, ferrets
what is the cycle of dipylidium canine?
individual gravid proglottid will release into the environment via feces, then rupture releasing hexacanth embryos. It then develops into a cystercoid (infective stage) where the adult flea will eat it. The dog/cat will then eat the flea and the cystercoid will attach to the lining of the small intestine
what are the two species of taenia?
Taenia taeniaformis
Taenia pisformisT
Taenia taeniaformis
Host:
Intermediate host:
Host: cat
Intermediate host: rat/rodent
Taenia pisformis
Host:
Intermediate host:
Host: hunting dog
Intermediate host: rabbit/hare
is echinococcus reportable?
yes
Echinococcus life cycle
ova in infected species will pass into environment. It is then ingested (each ovum = one hydatid cyst). Intermediate host will then ingest and it develops into encapsulated cyst (E. granulosus)
Each protoscolex = one tapeworm
Which echinococcus species is most common in humans?
E. granulosus
E. granulosus
Host:
Intermediate host:
Host: dogs
Intermediate host: sheep/goat
E. multiocularis
Host:
Intermediate host:
Host: cat/fox
Intermediate host: mouse
Is there a vaccine against echinococcus?
yes