Handout session 14 Flashcards
how do the protozoa survive harsh environmental conditions?
by forming CYSTS
what is the active feeding form?
trophozoaites.
how do parasites evade the immune system?
parasites- antigenic shift, copy the host, mask- acquire the host molcuels and disguise
or hide intracellularly
**worms can do all of th following except they can’t go intracelluarly
what can worms do?
they can do all that the parasites do except for the extracellular location.
they can make enzymes to break down your antibody defenses though! sneaky buggers.
exogenous?
not part of the normal flora.
endogenous? like E. Coli? part of the normal flora.
Toxoplasma GONDI
kitty litter!!!!
flu like systemptoms unless immunosuppresed- risk encephalitis.
pregneant women at risk
diardia lamblia
flagellated protozoan. trophozoite and cyst form
diarrhea from mountain streams
Entamoeba histolytica -
AMOEBA that infects the LARGE intestine. amoba is large = diarrhea. can exist in oral vanity ! gross.
plasmodium
SPOROZOAN= MALARIA.
ANOPHELES mosquito vector.
infects host RBCs
B. Coli
only CILIATE
silly pig!!! only ciliate that is pathogenic. bloody diarrhea! pig reservoir.
tryspanasoma
sleeping sickness from Tste fly or chugs diaseas
Leishmania
soldiers deployed. visceral or cutaneous
shapes of helminths?
they’re the parasitic worms.
chested are the long, flat segmented tape worms. TAENIA. TEENE has a hit, she’s a sucker
TREMATODES- TREVERTODES- fluke. flat and non segmented. The schisa sail named Trevatode
nematodies- these are the round worms. large and non segments. ascaris- scary. nacator- hook, trichuris (tricked) whipworm, enterobius Pinworm and trichina = prok
what is the schistose masoni
blood fluke
the schisa snail. all have snail in their life cycle.
go into circulation, mature in liver, adult in blood vessels make eggs
eggs out in the urin and go back to the snail.
worm covered in you immune system!!!!
Schisa!!!!
ascaris?
A SCARY!!!!! intestinal.
pulmonary asthma and penumonia. liver damge .
GI tract into blood stream, liver, heart, pulmonary circulation, larvae mature in LUNGS, cough up (ASCARY)_ and swallow back to the GI
treat with ALBENDAZOLE!!!!
*a scary he said “al bend you over you azole”
nactaor americanus
like nectar, they hook you and and get you!!!
tropical rergions hook us american people in
penetrate skin, go into circulation, coughed up and swallow.d
adults develop in intestines
diagnose by seeing eggs
treat with albendazole
how do you treat nematodes?
ALBENDAZOLE
*they’re round, and you tell them that you’ll “BEND” them, asshole
trichuris
WHIP WORM. tricked you.
severe infection abdominal pain and distension.
bloody diarrhea and weight loss.
albendazole
PIN worms?
enterobius VERMICULARIS
most common in NA
bunch of vermouths
fecal oral spread or egg into mouth from hand, clothes, contaminated toys, etc.
tape around anus! gross!!! have to treat the whole family.
The vermin pinworms entered into small and large intestine
what comes from pork?
trichnosis. “bacon” tricks people into a hypnosis.
minimal or no symptoms for most.
intestinal mucosa. larvae in STRIATED msucles.
arthropods in disease?
arthoropod IS A TRUE PARASITE!!!!
many vectors like ticks mosquitors flies and lice
some like lice, scabies and mites and maggots are true parasites.
lice, scabbies and mites are parasites! some are just vectors or hosts.
