Phasmids 2 Flashcards
Ancyclostoma
Duodinale
Beaziliense
Caninum
Ceylanicum
Necator
N. Americanus
New word
Necator americanus
Old world
Ancyclostoma duodenale
Cat
Braziliense
Dog
Caninum
Hamster
Ceylanicum
Eggs
Ovoid
Yellowish
Thin shelled
Rhabditiform
Non infective Feeding larva Baby larva Directly hatches from egg L1
Filariform
Infective
Adult
L3
Molting stAge
L2
Plates
Necator
Teeth
Ancyclostoma
2 even pairs
Duodenale
2 uneven pairs
Braziliense
3 pairs
Caninum
2 pairs in pile
Ceylanicum
Life cycle of round worms
Eggs in soil Rhabditiform L1 2x molting L2 Filriform L3 Skin penetration Circulation Lungs Pharynx Intestine
Can bypass pulmonary circulation
Ancyclostoma
Diagnostic stage
Eggs in stool
Small intestine
Maturation
Reproduction
End point symptoms because of more problematic sucking of blood
Anemia
Diagnosis roundworm
Kato katz technique
Flotation method
Determine intensity of infection
Kato-katz technique
Saturated saline or zinc sulfate
Flotation method
Treatment roundworm
Mebendazole
Pyrantel pamoate
Cutaneous larva migrans caused by
Braziliense
Caninum
Ceylanicum
Cutaneous larva migrans
Never leave the skin
Creeping eruption
Cutaneous larva migrans life cycle
Dog feces Egg hatch Rhabditiform Penetration Erythema
Cutaneous larva migrans life cycle
Filariform larva only
Cutaneous larva migrans
Treatment
Thiabendazole
Ivermectin
Cutaneous larva migrans
Diagnostic stage
Filariform (end of the map)
Cutaneous larva migrans
Diagnosis
Slit skin biopsy
Threadworm
Other name
Strongyloides stercoralis
Cochin china diarrhea
Threadworm
Similarities with hookworm
Life stages until in small intestin
Threadworm
Differences in roundworm
No teeth nor plates
Required pulmonary circulation like nemator
Autoreinfection
Hyperinfection
Threadworm
Diagnostic stage
Egg + rhabditiform larva
Threadworm
Population affected
Adult, institutionalized
Threadworm
Rhabditiform
Stouter
Threadworm
Filariform
Pointed
Threadworm
Filariform is never present in stool
Needs to go to the pulmonary circulation
Threadworm
Treatment
Thiabendazole
Ivermectin
Threadworm
Alternative drug
Mebendazole
Pyrivinum pamoate