Macaluso Parasites Flashcards
one species benefits at the expense of another
parasite
unicellular organism
protozoan
multicellular organism (helminths, arthropods)
metazoan
a parasite that lives on outside of host
ectoparasite
a parasite that lives inside its host
endoparasite
hematophagous
blood feeding
stages of tick life cycle; each stage requires blood meal
larvae, nymph, adult
Mites associated with this (burrows in skin)
Scabies
ticks associated with this allergy
alpha-gal
tick mouthpart that helps to feed; barbed
hypostome
how to remove tick
pull entire thing out
sugar molecule found in pork, beef, venison, milk products
alpha-gal
transmitted to us through lone star tick and we get allergic reaction to meat by sensitization to specific sugar
alpha-gal allergy
rash, hives, angioedema are symptoms of
alpha-gal allergy
spreads in crowded conditions; through fomites as well as direct contact
Scabies
itching and skin rash; MAIN LOCATION is on fingers and wrists
scabies
to treat scabies
scabicide
multiple rash-like bites on legs caused by
bed bugs
in US now
infects macrophages
sand flys are the vectors
Leishmaniasis
sign of visceral leishmaniasis
splenomegaly
most common form of leishmaniasis and presents with ulcerative skin lesion w/ raised outer border
cutaneous
live and reproduce in macrophages
leishmaniasis
to treat leishmaniasis
miltefosine
presents with series of 5-6 hives in response to parasite; swimmers itch
cercariae
infects skin and eyes; seen in longterm travelers to tropical climates; presents with subcutaneous nodules
Onchocerciasis
To treat O. vulvulus and wolbachia
antiparasitic and doxycycline
can get this by walking barefoot where dogs or cats have defecated; will die after 5-6 weeks (can’t complete life cycle in humans, only in gut of dogs and cats)
hookworms
cutaneous larva migrans caused by what
hookworms
