8b Flashcards
Into which alimentary canal opens; may posses hooklets or spines
ORAL SUCKER
For attachment. Posterior in some species
VENTRAL SUCKER
Leaf shaped
Integument: scales vary in size, pattern and distribution, but posterior is aspinose.
Fasciola hepatica ADULT
“Hen’s egg-shaped”
Ovoid, light yellow- brown small, flat operculum at one end.
Fasciola hepatica OVA
●“Bottle- neck appearance”
●Pointed anterior, rounded posterior
●Integument: aspinose
Clonorchis sinensis ADULT
●“Old- fashioned electric bulb”
●broadly ovoid, light yellowish-brown, convex operculum fits a circular rim of shell, small knob at the abopercular.
Clonorchis sinensis OVA
●Resembles C. Sinensis
●Integument: aspinose
Opisthorchis felineus ADULT
●elongated ovoid, narrower than C. sinesisova, light yellowish-brown, operculum fits into thickened rim of shell, minute thickening at the abopercular end.
Opisthorchis felineus OVA
●“Lancet-shaped”
●Integument: aspinose
Dicrocoelium dendriticum ADULT
●asymmetrically ovoidal dark brown in color, broad convex operculum
Dicrocoelium dendriticum OVA
●Elongate- ovoidal in shape
●Integument: Spinose
Fasciola buski ADULT
●Hen’s egg-shaped, identical to F. hepatica, thin, transparent shell, small, slightly convex operculum
Fasciola buski OVA
●Attenuated at both ends
●Integument: with spines and scales
Echinostoma ilocanum ADULT
●straw-colored, ovoid, small operculum
Echinostoma ilocanum OVA
●“Pyriform”
●Narrow anterior, rounded posterior
Heterophyes heterophyes ADULT
●ovoid, less distinct opercular shoulder
Heterophyes heterophyes OVA
●Resembles H. heterophyes
Metagonimus yokogawai ADULT
●similar to H. heterophyes
Metagonimus yokogawai OVA
●When active: spoon-shaped
●At preserved state: oval, flattened, “coffee-bean shaped”
●Integument: scale-like spines
Paragonimus westermani ADULT
●yellowish- brown to dark golden brown, shape varies greatly, some asymmetrical, thick shell with flattened operculum, thickened opercular rim, andabopercular end is generally thicker than sides.
Paragonimus westermani OVA
●Ovary Central
Schistosoma japonicum ADULT FEMALE
●6 - 8 testes
●Tegument smooth
Schistosoma japonicum ADULT MALE
●Lateral knob
●70 -105 x 50 - 80 um
●50 - 100 ova in uterus
Schistosoma japonicum OVA
●Ovary anterior half
Schistosoma mansoni ADULT FEMALE
●8 - 9 testes
●Tegument coarsely tuberculated
Schistosoma mansoni ADULT MALE
●Lateral spine
●140 - 180 x 45 - 70 um
●1 - 4 ova in uterus
Schistosoma mansoni OVA
●Ovary posterior half
Schistosoma haematobium ADULT FEMALE
●4 - 5 testes
●Tegument slightly tuberculated
Schistosoma haematobium ADULT MALE
●Terminal spine
●112 - 170 x 40 - 70 um
●20 - 30 ova in uterus
Schistosoma haematobium OVA
