Term
| Platyhelminthes characteristics |
|
Definition
| flatworms, require at least 1 intermediate host, 2 classes (cestoidea and trematoda) |
|
|
Term
| Cestoda (Tapeworms) characteristics |
|
Definition
| absent alimentary canal, hermaphroditic |
|
|
Term
|
Definition
|
|
Term
|
Definition
| anterior end by which attachment occurs |
|
|
Term
|
Definition
| intestine of definitive host |
|
|
Term
|
Definition
| tissues of intermediate hosts |
|
|
Term
| Cestoda (Tapeworms)species |
|
Definition
Taenia saginata (beef), Taenia solium (pork), Diphyllobothrium lataum (broad fish), Hymenolepis nana (dwarf), Hymenolepis diminuta (rat)
Echinococcus granulosus (dog;hydatid)
Dipylidium caninum (dog or cat) |
|
|
Term
| Taenia saginata distribution |
|
Definition
| cosmopolitan; southwest US |
|
|
Term
| Taenia solium distribution |
|
Definition
|
|
Term
|
Definition
| Most asymptomatic, and Abdominal pain, diarrhea, weight loss |
|
|
Term
| T. solium characteristics |
|
Definition
| man as intermediate host, cysticercus cyst |
|
|
Term
|
Definition
| egg in feces and proglottids |
|
|
Term
|
Definition
| 15-30 lateral branches; scolex 4 suckers |
|
|
Term
|
Definition
| 7-12 lateral branches; scolex 4 suckers & crown of hooks |
|
|
Term
| Taenia spp. egg characteristics |
|
Definition
| hexacanth embryo, radial striations on yellow-brown embryophore, three pairs of hooklets, 35-45 uM |
|
|
Term
| Diphyllobothrium latum distribution |
|
Definition
| Europe, Asia, parts of Africa & S. America; Great Lakes region of US |
|
|
Term
| Diphyllobothrium latum disease |
|
Definition
| Obstruction; anemia; nervous system disturbances; weight loss & weakness |
|
|
Term
| Diphyllobothrium latum diagnosis |
|
Definition
| egg in feces, proglottids and scolices in feces (rare) |
|
|
Term
| Diphyllobothrium latum egg diagnosis |
|
Definition
| terminal knob, operculum, undeveloped coracidium, 75- 45 uM |
|
|
Term
| Hymenolepis nana distribution |
|
Definition
| Worldwide; southeastern US |
|
|
Term
|
Definition
|
|
Term
| Hymenolepis nana light infection |
|
Definition
|
|
Term
| Hymenolepis nana heavy infection |
|
Definition
| abdominal pain; diarrhea; headaches; dizziness |
|
|
Term
| Hymenolepis nana diagnosis |
|
Definition
|
|
Term
| Hymenolepis nana egg characteristics |
|
Definition
| colorless shell, filaments emerge from polar thickenings, hooklets, hexacanth embryo, 50-30 uM |
|
|
Term
| Hymenolepis diminuta distribution |
|
Definition
|
|
Term
| Hymenolepis diminuta zoonosis |
|
Definition
|
|
Term
| Hymenolepis diminuta disease |
|
Definition
|
|
Term
| Hymenolepis diminuta diagnosis |
|
Definition
|
|
Term
| Hymenolepis diminuta egg characteristics |
|
Definition
| 50-70 m, round – slightly oval; 2 membranes; slight polar knobs; no polar filaments; embryonated with 6 hooked oncosphere |
|
|
Term
| Echinococcus granulosus distribution |
|
Definition
|
|
Term
| Echinococcus granulosus zoonosis |
|
Definition
| intestine of cats, dogs, wild canines |
|
|
Term
| Echinococcus granulosus disease |
|
Definition
| hydatid cysts in liver, lung |
|
|
Term
| Echinococcus granulosus diagnosis |
|
Definition
| Serology and X-ray, ultrasound |
|
|
Term
| Dipylidium caninum distribution |
|
Definition
|
|
Term
| Dipylidium caninum zoonosis |
|
Definition
| intestines of cats & dogs |
|
|
Term
| Dipylidium caninum disease |
|
Definition
|
|
Term
| Dipylidium caninum diagnosis |
|
Definition
|
|
Term
| Dipylidium caninum egg characteristics |
|
Definition
| 20-40 um, round; passed in packets of 15-25; resemble Taenia eggs |
|
|
Term
|
Definition
| Adults lay eggs that leave definitive host via feces, urine or sputum and Freshwater snails serve as intermediate hosts, several cycles of asexual reproduction, after ingestion excysted metacercaria migrate to appropriate site & mature |
|
|
Term
| Trematode infective species |
|
Definition
|
|
Term
|
Definition
| ciliated 1st stage, free-swimming larva which emerge from egg & penetrate specific snail species |
|
|
Term
|
Definition
| 2nd stage larvae develop in snail & are released in water |
|
|
Term
|
Definition
| resting stage that develops when cercaria shed tails, secrete a protective wall & encyst, seen on water plants or 2nd intermediate host |
|
|
Term
|
Definition
Fasciolopsis buski (large intestinal fluke)
Fasciola hepatica (sheep liver fluke)
Clonorchis sinensis (Chinese liver fluke)
Paragonimus westermani (Oriental lung fluke) |
|
|
Term
|
Definition
Schistosoma mansoni (blood)
Schistosoma japonicum (blood)
Schistosoma haematobium (bladder) |
|
|
Term
| Fasciolopsis buski distribution |
|
Definition
|
|
Term
| Fasciolopsis buski adults |
|
Definition
| 7 cm, live in small intestine |
|
|
Term
| Fasciolopsis buski acquired |
|
Definition
| ingesting encysted metacercariae on raw vegatation |
|
|
Term
| Fasciolopsis buski disease |
|
Definition
| mucosal ulcers; pain, diarrhea, intestinal obstruction; +/- fatal |
|
|
Term
| Fasciolopsis buski diagnosis |
|
Definition
|
|
Term
| Fasciola hepatica distribution |
|
Definition
|
|
Term
|
Definition
| Sheep natural host; man accidental host |
|
|
Term
|
Definition
|
|
Term
| Fasciola hepatica acquired |
|
Definition
| ingesting encysted metacercariae on raw vegetation |
|
|
Term
| Fasciola hepatica disease |
|
Definition
| jaundice, diarrhea, anemia, eosinophilia |
|
|
Term
| Fasciola hepatica diagnosis |
|
Definition
|
|
Term
| F. buski & F. hepatica egg characteristics |
|
Definition
| similar for both parasites, operculum, undeveloped miracidium, 150- 90 uM |
|
|
Term
| Clonorchis sinensis distribution |
|
Definition
|
|
Term
| Clonorchis sinensis adults |
|
Definition
| 1-2.5 cm, live in bile duct |
|
|
Term
| Clonorchis sinensis acquired |
|
Definition
| ingesting encysted metacercariae in uncooked fish |
|
|
Term
| Clonorchis sinensis disease |
|
Definition
| jaundice; eosinophilia; heavy infections – liver impairment |
|
|
Term
| Clonorchis sinensis diagnosis |
|
Definition
|
|
Term
| Clonorchis sinensis egg characteristics |
|
Definition
| operculum, thickened rim around operculum (shoulders), developed miracidium, small knob, 30- 16 uM |
|
|
Term
| Paragonimus westermani distribution |
|
Definition
| Far East, India, parts of Africa |
|
|
Term
| Paragonimus westermani adults |
|
Definition
| 1 cm, live encysted in lungs |
|
|
Term
| Paragonimus westermani acquired |
|
Definition
| ingesting encysted metacercariae in uncooked crab or crayfish |
|
|
Term
| Paragonimus westermani disease |
|
Definition
| chronic fibrotic d.; bloody sputum |
|
|
Term
| Paragonimus westermani diagnosis |
|
Definition
|
|
Term
| Paragonimus westermani egg characteristics |
|
Definition
| opercular rim (shoulders), smooth, thin , shell, terminal shell thickening, undeveloped miracidium, operculum, 85-55 uM |
|
|
Term
|
Definition
| Africa, South & Central America, West Indies |
|
|
Term
| S. haematobium distribution |
|
Definition
|
|
Term
| S. japonicum distribution |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| venules of large intestine; eggs trapped in liver & other tissues |
|
|
Term
|
Definition
| venules of bladder, rectum; eggs caught in tissues |
|
|
Term
|
Definition
| venules of small intestine; eggs trapped in liver & other tissues |
|
|
Term
|
Definition
| fork-tailed cercariae burrowing into the capillary beds of feet, legs, arms |
|
|
Term
| S. mansoni & S. japconicum disease |
|
Definition
| cirrhosis of liver, granuloma formations around eggs; toxic & allergic reactions |
|
|
Term
|
Definition
| irritable bladder, bladder CA |
|
|
Term
| S. mansoni & S. japconicum diagnosis |
|
Definition
|
|
Term
|
Definition
|
|
Term
| S. mansoni egg characteristics |
|
Definition
| developed miraciadium, large lateral spine, 180-80 uM |
|
|
Term
| S. hematobium egg characteristics |
|
Definition
| developed miraciadium, large terminal spine, 160- 80 uM |
|
|
Term
| S. japconicum egg characteristics |
|
Definition
| developed miraciadium, small lateral spine, 80- 60 uM |
|
|
