Term
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Definition
mild to moderate diarrhea
thick walled cysts or oocysts passed in feces
more than one species, but not food or environment |
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Term
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Definition
most widespread of human parasites
leading cause of death attributed to foodborne illness in US |
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Term
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Definition
| undercooked meats, unsanitary cooking condition, INGESTED OOCYTES FROM CAT FECES, mother-to-child, blood |
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Term
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Definition
3 infective stages:
Tachyzoite: cause disseminated infection
Bradyzoites (tissue cysts): present for life in animal
Oocyst: contain 2 sporocytes |
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Term
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Definition
Associated with poor personal hygiene and sanitation practices
protected by outer shell
fecal-oral route of cows, rodents, dogs, and cats
infective upon secretion
Watery diarrhea, abdominal cramps, weight loss, nausea, vomiting,
fever
typically self-limiting disease with possible relapse after 2-14 days of normal stools |
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Term
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Definition
parasites of moles
oocytes not immediately infective
humans are the only host
seasonally linked
from water and contaminated soil
cycles of watery, non-bloody diarrhea, inflammation in intestines |
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Term
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Definition
only pathogenic amoeba found in human intestines
cause of diarrhea in sub-tropics
US cases linked to immigrants
ingestions of contaminated food/water
mild and severe forms of illness
Mild: loose stools, stomach aches, cramps
Severe: Amebic dysentery, invasion of liver, lungs, and brain, and abscess formation, |
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Term
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Definition
Waterborne flagellated binucleated protozoa
2 stage life cycle:
Trophozoite: teardrop shaped
cyst: infectious form
water/food, insects, zoonoses
most common source of intestinal infection in developed world
diarrhea, malaise, excessive gas that may cause Symptoms •
, nausea , bloating , stools vomiting foul smelling greasy stools bloating nausea greasy smelling foul , vomiting
diminished interest in food, possible (but rare) vomiting which
is often violent, and weight loss |
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Term
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Definition
| animals that harbor mature adult worms |
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Term
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Definition
| animals that harbor immature, larval forms |
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Term
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Definition
| parasites present in animals, but no growth or development |
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Term
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Definition
cylindrical, tapered at each end
complete digestive system |
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Term
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Definition
undercooked fish
violent abdominal pain, nausia, vomiting (may vomit larvae) |
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Term
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Definition
contaminated water
poor sanitation practices
asymptomatic to slow growth and slight abdominal pain |
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Term
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Definition
undercooked pork, horsemeat, wild game
inflammation, nausea, vomiting, diarrhea, facial edema, fever, M l i diffi lt b thi k i f l d bl d thi rea b y lt cu diffi n, i ar pa l uscu M •
pressure, heart damage and nervous disorders eventually leading
to death due to heart failure, respiratory complications or kidney
malfunction |
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Term
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Definition
flatworms (flukes)
flat, leaf shaped bodies
absorbs food through cuticle, named for tissue infected, intermediate host needed |
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Term
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Definition
liver, bile ducts, or gall bladder
Clonorchi: fish and snails
liver dysfunction |
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Term
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Definition
Fasciolopsis buski: largest trematode infecting humans
aquatic plants and vegetables (rice, etc), or contaminated water |
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Term
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Definition
Paragonimus spp
9 species infect humans
consumption of wild boar, pickled crab
often misdiagnosed as TB |
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Term
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Definition
tapeworms
body consists of proglottids |
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Term
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Definition
Tapeworm
most familiar foodborne parasitic worm
undercooked beef, pork, fecal-oral route |
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