Lecture II Flashcards
What nematode infections are considered Neglected disease of povergy
Ascarisis lumbricoides
Necator americanus Ancylostoma duodenale
Strongyloides
Toxocara canis
Enterobius vermicularis =
pinworms in humans
How do i get enterobius vermicularis
ingestion of eggs
The gravid female pops out of the butt to lay eggs in this pinworm infection
enterobius vermicularis
you can use the scotch tape test to diagnosis this pinworm
enterobius vermicularis
Enterobius vermicularis symptoms:
perianal itch
Immunity to enterobius vermicularis
none; reinfection possible and common
Trichuris trichiura is a
whipworm
how do i get trichuris trichura
ingest embyonated eggs
Where is common places to get trichuris trichuria
tropics
south us w/ poor hygiene and shit as fertalizer
Immunity for trichuris trichuria
some evidence for acquired immunity
What happens to people with high worm burden with trichuris trichuria
blood in stool, prolapse
in kids get impaired growth
Ascaris lumbricoides, you get it from
ingesting eggs in soil
Ascaris lumbricoides is commonly found in
subtropics and us south and appalachia
Whats special about life cycle of ascaris lumbricoides
cough it up and swallow it to get to intestine
Ascariasis with heavy worm burden will:
get inetstinal obstruction
starts to migrate to other body parts
Immune respone for ascariasis
allergic inflammation from larval migration
will you see eggs in stool with ascariasis
yes
Necator americans and ancylostoma duodenal is
hook worms
Immune response to necator americanus and ancylostoma duodenal?
asthmatic pathology
Life cycle of necator americanus hookworm
coughed up and swallowed
transmission of necator americanus hookworm
soil contact
You will get itching between your toes and then as infection gets worse, bronchitis as larval travels through lungs
necator americanus hookworms
you will cough up blood with larvae in it d/t this
necator american hookworms