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NSU Paraistology - part 2
Cram ses
52
Microbiology
Professional
05/12/2012

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Term
Ancylostoma dudenale and Necator americanus
Definition
Human hookworm
Term
Ancylostoma dudenale and Necator americanus
Definition
Adult worms live in small intestine, eggs out in feces, rhabditiform to filariform larvae. Filariform larvae penetrate skin, go to LUNGS, couched up then swallowed and develop into adults in small intestine.
Term
Ancylostoma dudenale and Necator americanus
Definition
Cause focal minute hemorrhages due to larval entrapment. Also cause skin lesions.
Term
Ancylostoma dudenale and Necator americanus
Definition
Partial protective immunity
Term
Ascaris lumbricoides
Definition
Roundworm
Term
Ascaris lumbricoides
Definition
Adults live in small intestine, eggs pass out of feces, then get ingested in food or water, larvae hatch in stomach penetrate small intestine mucosa. They travel to liver and lungs. Coughed up and swallowed from lungs then adult worms grow in intestines.
Term
Ascaris lumbricoides
Definition
Toxic and allergenic metabolites account for neurological-like symptoms
Term
Ascaris lumbricoides
Definition
Partial protective immunity
Term
Ascaris lumbricoides
Definition
Loffler's syndrome, eosinophilia in lung tissue, is caused by....
Term
Enterobius vermicularis
Definition
Human pinworm that is a GROUP infection
Term
Enterobius vermicularis
Definition
Adult females migrate out of colon at night and lay eggs on the perianal skin
Term
Enterobius vermicularis
Definition
Appenditicitis and pelvic peritoneal granulomas develop due to ulceration and hemorrhaging of the mucosa.
Term
Enterobius vermicularis
Definition
.... Can cause vulvovaginitis or uti in females
Term
Strongyloides stercoralis
Definition
Non-arthropod nematode
Term
Strongyloides stercoralis
Definition
Parthenogneic adult female worms that live in small intestine and produce LARVATED eggs containing rhabditiform larvae.
Term
Strongyloides stercoralis
Definition
Trapped larvae cause inflammatory response in lungs. Larvae also cause serpingious, macular eruptions of the skin.
Term
Strongyloides stercoralis and enterobius vermicularis
Definition
Caused by autoinfection
Term
Strongyloides stercoralis
Definition
Hyperinfection occurs in immunosuppressed
Term
Strongyloides stercoralis
Definition
Ivermectin is a treatment for....
Term
Ancylostoma duodenale and Necator americanus
Definition
.... Cause Ancylostomiasis
Term
Ancylostoma braziliense and caninum
Definition
Cat and dog hookworms
Term
Ancylostoma braziliense and caninum
Definition
Filariform larvae accidentally infect us thinking we are a cat or dog.
Term
Ancylostoma braziliense and caninum
Definition
Larvae wander though dermis creating serpingious tunnels. Never enter the bloodstream
Term
Ancylostoma braziliense and caninum
Definition
... Cause cutaneous larva migrans
Term
Trichinella spiralis
Definition
Trichina worm
Term
Trichinella spiralis
Definition
Domestic, wild, and marine mammals are reservoirs, intermediate and definitive hosts
Term
Trichinella spiralis
Definition
Adult worms in small intestine insert their posterior ends into mucosa and release larvae directly into bloodstream. Larvae form CYSTS mainly in striated muscle
Term
Trichinella spiralis
Definition
Humans are infected by eating undercooked, infected meat
Term
Trichinella spiralis
Definition
.... Cause intensive muscle pain, bilateral peri orbital edema, myocarditis, and CHF within 1-2 weeks
Term
Trichinella spiralis
Definition
....cause myositis with pain and swelling of arm and leg, cachexia (wasting syndrome), respiratory paralysis after 2 weeks of infection
Term
Filariasis (Brugia Malayi and Wuchereria bancrofti)
Definition
Arthropod-borne nematodes that are found in tropical areas of the world
Term
Filariasis (Brugia Malayi and Wuchereria bancrofti)
Definition
Transmitted through mosquitoes as intermediate host, which ingest MICROFILARIAE with blood meal.
Term
Filariasis (Brugia Malayi and Wuchereria bancrofti)
Definition
Years of exposure cause elephantiasis of the limbs and warty-like skin
Term
Filariasis (Brugia Malayi and Wuchereria bancrofti)
Definition
Adult worms that slow the movement of lymph fluid by producing inflammation in lymphatic vessels
Term
Dirofilaria immitis
Definition
Dog heartworm
Term
Dirofilaria immitis
Definition
Human are accidentally infected by MICROFILARIAE by mosquito.
Term
Dirofilaria immitis
Definition
Larvae no not fully develop into worms and stay within subcutaneous and lung tissue.
Term
Dirofilaria immitis
Definition
Larvae cause coin-shaped lesions in skin or lungs.
Term
Dirofilaria immitis
Definition
Surgical removal of larvae is treatment for...
Term
Loa loa
Definition
Eye worm found in equatorial Africa
Term
Loa loa
Definition
Live in subcutaneous tissues of eye and skin.
Term
Loa loa
Definition
Deer flies are intermediate hosts and vectors.
Term
Loa loa
Definition
Causes Calabar swelling, Edematous, painful, subcutaneous swelling. And crawling sensation in eye, interstitial keratitis, and blindness
Term
Loa loa
Definition
Diethylcarbamazine is a treatment for...
Term
Onchocerca volvulus
Definition
Found in equatorial Africa and south and central America
Term
Onchocerca volvulus
Definition
Transmitted by female black flies. The fly ingests MICROFILARIAE, which develop into filariform larvae, which are injected into humans when the fly feeds their blood.
Term
Onchocerca volvulus
Definition
Adult worms provoke a fibroblastic reaction in the subcutaneous tissue. MICROFILARIAE cause severe patholic effects in the eyes when they DIE.
Term
Onchocerca volvulus
Definition
Sxs include intraepithelial granulomas, interstitial keratitis, or optic nerve damage.
Term
Onchocerca volvulus
Definition
Mazzotti test is done to diagnose this parasite. The Mazzotti test uses diethylcarbamazine to produce a popular erythematous reaction in the affected skin along with conjunctival swelling
Term
Onchocerca volvulus
Definition
Diethylcarbamazine is a treatment for...
Term
Onchocerca volvulus
Definition
Humans and monkeys are reservoirs.
Term
Onchocerca volvulus
Definition
Causes River blindness
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