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Details

Helminths transmission
n/a
14
Microbiology
Graduate
11/15/2010

Additional Microbiology Flashcards

 


 

Cards

Term

enterobius vermicularis

 

epidemiology

Definition
most common helminth infection in US
Term

Enterobius vermicularis

 

transmission

Definition

Ingestion of eggs

 

retroinfection occurs when eggs hatch and juvenile worms crawl back into anus

Term

trichuris trichuria

 

transmission

Definition
ingestion of eggs from contaminated soil or water
Term

ascaris lumbricoides

 

transmission

Definition
ingestion of eggs
Term

ascaris lumbricoides

 

life cycle

Definition

Adults in small intestine

 

eggs passed in feces

 

eggs ingested

 

juveniles penetrate intestines and go to lungs

 

3rd stage juveniles are coughed up and swallowed

Term

ancylosotma duodenale

 

necator americanus

 

transmission

Definition
larval penetration through skin
Term

ancylosotma duodenale

 

necator americanus

 

life cycle

Definition

adults in small intestine

 

eggs passed in feces

 

eggs hatch in soil

 

juveniles penetrate skin and migrate to lungs

 

juveniles in lungs coughed up and swallowed to small intestine

Term

strongyloides stercoralis

 

transmission

Definition
larval penetration through skin and autoinfection
Term

trichinella spiralis

 

transmission

Definition
ingestion of larvae from undercooked meat (often pork)
Term

wuchereria bancrofti

 

brugia malayi

 

transmission

Definition
mosquito bite
Term

loa loa

 

transmission

Definition
horse or deer fly bite
Term

onchocerca volvulus

 

transmission

Definition
black fly bite
Term

dracunuculus medinensis

 

transmission

Definition
ingest water fleas
Term

toxocara canis

 

transmission

Definition

ingest eggs

 

cannot reproduce in humans

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