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;
12 Cards in this Set
- Front
- Back
- 3rd side (hint)
Fasciola hepatica
|
“liver fluke” Large, leaf-like, Small anterior suckers, cephalic comb; dendritic intestines, testes, ovary
|
Ova in feces > miracidia in water > lymnaeid aquatic snails > sporocysts + redia > cercaria > metacercaria on aquatic vegetation > marita or young flukes > ingestion > intestine, peritoneum, liver, bile ducts
|
|
Fascioloides magna
|
Very large, leaf-like, small anterior suckers; dendritic intestines, testes, ovary
|
Sheep/goats = dead-end hosts, Cattle = adults walled off in fibrotic cysts
|
|
Paramphistomum cervi
|
Thick, oval; anterior + posterior ventral suckers, Tested lobed, tandem + anterior to ovary
|
Young flukes: feed + migrate through duodenum before arriving in rumen to mature
|
|
Paragonimus kellicotti
|
Oval, thick; mid-ventral sucker; lobed testes + ovary; ova has knobs
|
Ova passed in lung mucous + sputum > swallowed > feces, Young flukes: intestine > peritoneum > across diaphragm > lung; mature in cysts
|
|
Nanophyetus salmincola
|
Small; mid-ventral sucker; oval, opposite, posterior testes; spherical ovary anterior to testes
|
Young flukes: mature in SI
|
|
Platynosomum fastosum
|
Translucent, elongate; ventral sucker in anterior half; lobed opposite testes posterior
|
Ova in feces > miracidia develop in ova > ova ingested by snail > cercaria released in slime ball > ingested isopods > paratenic lizards, toads > metacercaria > young flukes, migrate intestine > pancreatic/bile ducts
|
|
Eurytrema (Concinnum) procyonis
|
Translucent, elongate; ventral anterior sucker, lobed testes, ovary
|
|
|
Dicrocoelium dendriticum
|
"lancet fluke" Translucent, lancet; ventral anterior sucker; globular posterior testes and ovary
|
Parasite makes ants climb to top of grass blades
|
|
Alaria sp
|
Small spoon-shaped, fore + hind-body; small anterior ventral sucker; ovary anterior to tandem oval testis
|
Mesocercaria = nonencysted migrating form > frog, Paratenic = snake, rodent, Alaria marcianae = transmammary transmission (CATS)
|
|
Heterobilharzia americana
|
"blood fluke" Dioecious elongate; female in gynecophoric canal of male
|
Ova with miracidia passed in feces > miracidia > snail > sporocysts > cercaria penetrate definitive host > young flukes or schistosomula migrate to lungs, liver, mesenteric vessels
|
|
Schistosoma sp.
|
|
|
|
Trichobilharzia, Gigantobilharzia
|
|
|