Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
|
Turbellaria
|
not parasitic, water, mucus covered, predators and algae, planarian |
|
|
Trematodes
|
bilaterally symmetrical dorsoventrally flattened aceoloemate hermaphroditic aquatic (tissue or water) leaf shaped not segmented no anus suckers all are parasites |
|
|
Monogenean Flukes
|
No intermediate host aquarium fish attach to gills large numbers Gyrodactylus Suckers, hooks, clamps |
|
|
Subclass Dignenea
|
Broad significance 2 intermediate hosts snail is 1st hermaphrodites 1 group separate male and female form operculated eggs infect domestics |
|
|
Trematode (Fluke) Lifecycle
|
Eggs in water --> release miracidium--> sporocyte in snail--> redial stage in snail --> cercaria--> definitive host (ex crawdad) OR becomes metacercaria (infective form)
|
|
|
Fascicola reaches definitive host via...
|
Passive ingestion
|
|
|
Paragonimus reaches definitive host via...
|
Predation
|
|
|
Schistosoma reaches definitive host via...
|
skin penetration
|
|
|
Fasciola hepatica
|
Common sheep liver fluke DH - ruminants, humans 1st IH - amphibious snails NO 2nd IH PPP 2-3 months Eggs - 130-150 x 63 - 90 um (130 x 75) |
|
|
what is fluke exhaust?
|
fibrotic capsules with black material
|
|
|
Fascioloides magna
|
Deer fluke 1st IH - amphibious snail (lymneidae) no 2nd IH DH - white tail deer (eggs in feces) Abnormal hosts - sheep, goats, cattle, camelids, moose, elk Adults- 30 - 100 x 20-30 mm (1-4 in) Eggs - 110 - 170 x 75 - 96 PPP - 7-9 months |
|
|
Platynosomum
|
Lizard poisoning fluke 1st IH - terrestrial snail 2nd IH - pill bugs 3rd IH - ;izard /amphibian (metacercaria) DH- felids PPP 2-3 months adults - 4-8 x 1.5 - 2.5 mm eggs - 34-50 x 20-35um bile ducts/ gall bladder in SE US and Caribbean treat with praziquantel |
|
|
Alaria spp. (canis, marcianae)
|
1st IH snail 2nd IH tadpole (mesocercaria) PH snake, frog, bird, mouse DH dog, cat, human tracheal migration and transmammary in cats Adults 2-6 mm w/ fore and hindbody eggs 98-134 x 62-68um PPP 3-5 weeks |
|
|
Nanophyetus salmincola
|
1st IH snail 2nd IH freshwater salmonid fish DH dog, cat, piscivorous mammal, bird (SI) adult 0.9-2.5 x 0.3-0.5 eggs 75 - 118 x 48-65 um PPP 1-2 weeks vector of Neorickettsia helminthoeca (salmon poisoning) |
|
|
Lecithodendriidae
|
bat trematodes carries Neorickettsia risticii (PHF) |
|
|
|
|
