Parasites Flashcards
Nematodes
Ascarsis
Enterobius
Strong
Ascaris infects
small intestine
Ascaris cliniical disease
perforations
Enterobius causes
perianal prutits
scotch tape
Stongylodiasis infects
Larvae may penetrate skin and move to small intestine. May migrate to small intestine
Autoinfection
stonggyloides (lots of migration )
Could lead to chronic infection for decades
Strongyloides
Taeniasis
Animals eat stuff with Taenia eggs
Eggs hatch –parasite forms cysts in muscle
Humand eat undercooked meat
Humans get GI infection because they are CYSTS which are excreted
Cysticercosis
Humans or pigs eat the eggs
Egs hatch and parasite travels in pigs muscle tissue for cysts
egg hatch in humans and can travel
symptoms may occur based on sit of cyst
when cyst die = inflammation
Infection via exposure to contaminated water
Schistomiasis (spine bubble)
Schistomiasis clinical
Fever, cough , eosinophilia
bladder
fallopian
GI
Liver
Brain (paralysis blindness)
Swimmers itch (no invasive disease)
Liver problems
Clonorchiasis
Causes cholangiocarconoma
Clonorchiasis
Entamoeba histolytica
invades mucosa and causes tissue necrosis
Blood diarrhea
Freswater animal reservoirs
mild to moderate diarrhea , bloating, abdominal cramps
Giardia