Deck 6 Flashcards
paraphistomum is located in
adult - rumen + reticulum
larvae - duodenum and abomasum
common name of cestodes
tapeworm
cestode body segments are called
proglottids
head of cestodes is called
scolex
what structures is on the scolex of pseudophyllida
bothria - 2 lateral grooves
what is an onchosphere
hexacanth embryo - 6 hooks)
what is a procercoid
1st Laval stage of pseudophyllidean fish tapeworms (6 hooks)
differences between cyclophyllidae and pseudophyllidae
stages before adult in pseudophyllidae
oncosphere - coracidium-procercoid - plerocercoid-adult
In pseudophyllidae, what stage comes after the adult?
Oncosphere (diagnostic stage)
What hatches from an pseudophyllidean egg?
Coracidium
Embryogony in cyclophyllidae is in?
FH (egg is embryonated w/oncosphere when leave FH)
Who has hyatid cyst?
Echinococcus multilocularis and Echinococcus granulosus
IH in cyclophyllidae?
Either vertebrate or invertebrate
What is the larval stage in cyclophyllidae?
Metacestodes in IH
Cysticercus, Coenurus, Strobilocercus, Hydatid cyst, Cysticercoid, Tetrahyridium (only in Mesocestoididae)
In cyclophyllidae, which stage precedes the adult stage?
Metacestode larvae form
What hatches from cyclophyllidae eggs?
Oncosphere
What causes coenurosis?
Taeniata multicepsis- coenerus cerebralis
Taeniata serialis- coenerus serialis
Taenia pisiformis site, IH, FH:
IH: Lagomorphs (hare and rabbit), abdominal cavity, liver
FH: Car (small intestine)
Cysticercus pisiformis
Taenia hydatigena site, IH, FH
IH: sheep, goat, cattle, pig, horse, deer (abdominal cavity, liver)
FH: dog (small intestine)
Cysticercus tenuicollis
