lung/ liver/ intestinal flukes Flashcards
Oriental Lung fluke
Paragonimus
westermani
the infective stage of pulmonary or lung fluke is
metacercaria
“TEMPERATE
LIVER FLUKE”
fasciola hepatica
Sheep Liver Fluke
Fasciola hepatica
Chinese Liver Fluke
Oriental Liver Fluke
Clonorchis sinensis
Cat Liver Fluke
Opistorchis felineus
Busk Fluke
Giant Intestinal Fluke
Fasciolopsis buski
Echinostoma
ilocanum
Garrison’s Fluke
Von Siebold Fluke
Dwarf Fluke
Heterophyes
Hetereophyes
“DEADLIEST”
with 3rd sucker -GENITAL
SUCKER/ GONOTYL
h. heteropophyes
Yokogawa’s fluke
Metagonimus
yokogawai
MOT OF lung fluke
ingestion
how many hosts does it require for a lung fluke?
3
1- definitive host- man
2-intermediate (snails and various species)
TYPE OF SEXES OF LUNG/ liver and intestinal FLUKE
HERMAPHRODITIC/ MONOECIOUS
HERMAPHRODITIC/ MONOECIOUS means?
combine sex in one organism
need more than 1 host is called
heteroxenous (2 intermediate and 1 definitive)
infective stage of lung liver and intestinal
metacercaria
diagnostic stage of lung liver and intestinal
egg or ova
Assumes a coffee bean appearance
a. Fasciola hepatica
b.Paragonimus westermani
c. Metagonimus yokogawai
b.Paragonimus westermani
it has shoulders because of the
CEPHALIC CONE
A.Fasciola buski
B.Fasciola hepatica
B.Fasciola hepatica
Appears like F. hepatica but NO CEPHALIC
CONE
A.Fasciola buski
B.Fasciola hepatica
A.Fasciola buski
Intestinal ceca is unbranched
Fasciola buski
Closely resembles H. heterophyes but slightly
larger and with no genital sucker
A. P. WESTERMANI
B. f.buski
c. m. yokogawai
Metagonimus
yokogawai
Equipped with an oral sucker with spines called
“CIRCUM-ORAL DISK WITH SPINES
Echinostoma
ilocanum
Closely resembles one another
Clonorchis sinensis
Opistorchis felineus
with granular vitellaria &
dendritic testes
A. Opistorchis felineus
B. C. sinensis
C. sinensis
with transverse vitellaria & lobed testes
A. Opistorchis felineus
B. C. sinensis
A. Opistorchis felineus
