Roundworms(Nematodes) Flashcards
Ascariasis
Ascaris lumbricoides
Oral fecal
Colicky pain, lives in small intestine
M/c roundworm. M/c helminthic infection worldwide
Filiariasis
Wuchereria bancrofti
Mosquitos
Elephantitis, lymphatic blockage
Hookworm
(Necator americanus)
(Ancylostoma duodenale) old name
Fecal contaminated soil
Wear shoes to prevent
M/c hookworm in USA
Pinworm
(Threadworm)
Enterobius vermicularis
Nous-finger mouth
Scotch tape or anal cellophane test (demonstrates eggs)
Nocturnal anal itching
M/c helminth in the USA
River blindness
Onchocerca volvulus
Flies
In Africa
River eye worm
Loa loa
Flies
Aka African eye worm
Trichinosis
Trichonella spiralis
Raw pork
Lives in striated muscle, intercoastals, diaphragm. Diagnosed on X-ray especially gastrocnemius. Biopsy muscle to confirm.
Whipworm
Trichuris trichura
Oral fecal
Weight loss