Trematode Flashcards
(33 cards)
class of parasite which are flat, leaf-like, elongated and unsegmented
trematode/fluke
most distinguishing characteristic of adult trematodes
suckers (anterior end)
excretory system contains what type of cells
flame cells/solenocytes
TRUE/FALSE?
the trematode has incomplete alimentary canal
TRUE
mouth only, no anus
all require 2 IH except:
blood flukes (schistosoma)
what are the oriental liver blood, and lung flukes?
clonorchis
s. japonicum
paragonimus westermani
giant liver fluke is common name of what species
Fasciola hepatica
giant intestinal fluke is common name of what species
FASCIOLOPSIS buski
true/false?
ova of F. hepatica is ovoid;
ova of F. buski is ellipsoidal
TRUE
what type of intestine present in F. buski
unbrached simple but wavy
1st IH of F. hepatica
Lymnea philippinensis
2nd IH of F. hepatica
Ipomea spp.
the present stage in Halzuon-pharyngeal fasciolasis
ADULT (not metacercaria)
treatment for F. hepatica
BITHIONAOL
1ST IH of F. buski
Segmetina
Hippeutis
2nd IH of F. buski
(aquatic vegetation) Nymphae IPOMEA Trapa Eliocharis
this trematode has adult parasite which appears as transparen, gray, and with tapering anteriorly and rounded posteriorly
Clonorchis sinensis
the egg of Clonorchis appears as ____
old fashion electric bulb,
w/ comma shaped aboperculum
1st IH of Clonorchis sinensis
Parafossarolus
2nd IH of Clonorchis sinensis
Cyprinoid fishes
RESERVOIR HOST of both Clonprchis and Opistorchis
cats, dogs, pigs and other mammals
its adult parasite appears has lancet shape, reddish yellow
Opistorchis felineus
in opistorchis, which one is smaller: ventral sucker or oral sucker?
ORAL SUCKER is smaller
the shape of testis of Opistorchis is ___
a. branched
b. lobed
c. dendritic
LOBATE
–branched/dendritic is present in Clonorchis
