Test 2 Flashcards
Which fluke is the largest?
F.hepatica (2-3 cm ).
What is the family of Fascicola?
Tremadoes.
What is the host spectrum of Fasciola hepatica?
Wide, mostly herbivorous mammals + humans.
What are the steps of the lifecycle of F.hepatica?
MI- SPO- RE1- RE2- CE.
Miracidium, Sporocysts, Redia, Cercaria
The lifecycle of F.hepatica in Lymnea peregra snail?
None is right.
- cannot develop.
How is the lifecycle of F.hepatica?
Indirect.
How big is Fasciola hepatica?
2-3 cm.
How is the shape of Fasciola hepatica?
Leaf-like.
What is another name of Fasciola hepatica?
Common liver fluke.
What kind of method is used to detect Fasciola hepatica egg?
Sedimentation method or flotation.
Where can you find the adult form of Fasciola hepatica?
In the bile duct and gallbladder.
Where can you find the juvenile form of Fasciola hepatica?
Penetrates the intestine + migrates to the liver via abd cavity.
What is the 1º intermediate host of F.hepatica?
Galba truncatula.
After the death of F.hepatica flukes what can be found?
Fibrotic tracts/ necrotic areas in liver.
What are special about the diagnosis of acute Fasciolosis?
There are ø eggs in faeces.
How can you treat the Fasciolosis?
Treat with Triclabendazol.
What is the main source of heavy fasciolosis?
2º biotopes.
What is the size of eggs of F.hepatica?
120- 150µm.
Which color of eggs does Fasciola hepatica have?
Golden yellow.
What does the Fasciola hepatica eggs contain?
Zygote.
What surrounds the egg of the F.hepatica?
Granulated yolk.
Zygote containing egg of F.hepatica develops into?
Ciliated larva ( miracidium) in H2O usually within 2 weeks.
F.hepatica: in the body of snail the 1st larva turns into?
Bladder-like sporocyst.
What happens in the cavity of sporocyst of F.hepatica?
3rd larval develops by asexual budding ( paedogenesis).
In which stage dose the F.hepatica shed their tail?
Cercariae.
How long takes the migration in the liver parenchyma of F.hepatica?
4- 6 weeks.
Approximately how long is the praepatent period of F.hepatica?
10 weeks.
What are the definitive hosts of F.hepatica?
All kinds of Ru, mainly hollow- horned ones.
What are the most susceptible sp. for Fasciola hepatica?
Sheep, goat, rabbit + hare ( artificially: mouse, rat).
What are the moderately susceptible sp. of Fasciola hepatica?
Cattle, deer, roe-deer, mouflon, buffalo and camel ( artificially: guinea pig).
What are the least susceptible sp. for Fasciola hepatica?
Eq, Sus, dog, cat, humans.
What can be symptoms of acute form of Fasciola hepatica?
Rapid weight loss, sudden death.
What colour are the MM in case of subacute Fasciolosis?
Pale.
What can be symptoms of sub acute form of Fasciola hepatica?
Severe anemia, bottle jaw.
What can be the symptoms of chronic form of F.hepatica?
Submandibular oedema, cachexia.
F.hepatica: in case of acute form the young flukes can be foudn in?
Parenchyma.
F.hepatica: in case of chrinic form the flukes can be found?
In the biliary ducts + gallbladder.
How big if Fascioloides magna?
2- 10 cm.
What is another name for Fascioloides magna?
Large liver fluke.
What is the size of Fascioloides magna eggs?
110- 160 µm.
Does the eggs of Fascioloides magna contains zygote?
Yes.
Mixed infections with F.magna + F.hepatica can occur in?
Cattle.
What is the definite host of Fascioloides magna?
Deer.
What is the aberran host of Fascioloides magna?
Sheep, goat.
What is the paratenic host of Fascioloides magna?
Cattle.
What are the stepd of the lifecycle in rumen fluke?
MI- SPO- RE1- CE.
Where does the development take place for paramphistomid?
On land + in H2O.
How is the lifecycle of rumen flukes?
Indirect.
Which snail sp. is amphibious?
Planorbis sp.