helminths micro justus Flashcards
name all intersinal nematodes.
- enterobius vermicularis (pinworm)
- ascaris lumbricoides
- nectaror americanus (hook worm)
- stronggyloides steroralis (thread worm)
- trichinella spinali
- trichuris trichiura (whipworm)
transmission of Enterobius vermicularis?
eggs in faces (fecal oral)
disease of enterobius vermicularis?
asymotmatic
perianal itching
inflammation around anus
diagnosis of enterobius vermicularis?
tape over asshole
what is the most common infection of helminths world wide?
Ascaris lumbricoides
transmission of ascaris lumbricoides?
egg ingestion, travel through blood to lung, coughed uo and swollen into GI.
(up and down hehe)
disease caused by ascaris lumbriocides?
pneumotitis
bileduct, liver damage
ancylostoma ssp:
- a. duodenale
2. a brazilliense
transmission of Ancylostoma ssp
skin penetration
Tavel vie blood to lung
lung coughed up and swallowed back to GI
diseases caused by acylostoma ssp
iron deficiency anemia (bc of worm eating blood)
intense skin itching
transmssion og strongyloides stercoralis?
skin penetration of lave
blood– lung– gi
Auto infection
disease caused by Strongyloides sterocralis?
strongyloidiasis
what is strongyloidiasis?
early stage: pneumotitis
late stage: malabsorption and bloody diahrrea
how to diagnose strnongyloides sterocarlis?
larva are in stool.
transmission of trichinella spirals?
eating undercooked pork
larva are in muscle
disease of trciuhnella spirals?
trichinosis
what is trichinosis?
muscle pain (due to larva deposition)
fever
vomitting
periorbital edema
transmission of trichuris trichura?
ingestion of eggs
hatch in small intestine, go to cecum
disease caused by trichuis trichura?
appendicitis
rectal prolapse
whipworm cecum
diagnosis of truchuris truchura?
eggs in stool
name all tissue nematodes:
- dracunculus medinesis
- onchocerca volvulus
- wuchereria bancrofti
- toxocara canis
- loa loa
transmission of drancunculus medinensis?
dinking contaminated water. lava live in copepods…
pathogenesis of drancunculus medinesnsis:
lava released by copepods in stomach
lava penetrate abdominal wall and mature
travels to skin surface and travels there
transmission of onchocerca volvulus?
black fly
pathogenesis of onchocerca volvulus?
black fly deposits microfilariae in skin
sexual repoduction in skin– new mictofilariae
disease caused by onchocerca volutes?
River blindness
what is river blindess?
caused by onchocerca volutes
second most common cause for blindness!
purpuric papules
pigmented skin
transmission of wuchereria bancrifti
mosquitos (aedes or culex)
pathogenesis of wuchereria bancrifti
larva migrate from bite to lympathics…
diseases caused by wuchereria bancrifti?
ELEPHANTIASIS
cas cause HSR in lung when is goes there
transmission of Toxocara Canis
ingestion of food infected by dog or cat faces
diseases caused by Toxocara Canis
visceral/ ocular larvar migration
transmission of loa loa?
deer fly
what causes calabar swelling?
Loa loa
diseases caused by LOA LOA
Calabar swelling (subcutaneous swelling)
name all tapeworm:
- taenia saginata
- taenia solium
- diphyllobothrium latum
- hymenolepis nana
- echinocactus grnaulosum
- echinochoccus multilocularis