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Summary of cestodes reviewer of ligon

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Diphyllobothrium latum • Fish or broad tapeworm • Sole representative of Pseudophyllidean/false tapeworms • Largest human tapeworm • get by eating freshwater fish • • • Ova: oval or ellipsoidal with abopercular small knob Has bothria (slit-like) Has 2 intermediate host (copepods & freshwater fish) Dipylidium caninum • Dog tapeworm/ double pored tapeworm • Very common intestinal parasite of dogs • 2 genital pores • • • • • • • Ova: spherical, thin shelled (with 6 hooklets) Scolex: is small & globular Pale reddish adult worm Armed with 1-7 rows of rose thorned shaped hooklets Proglottids: narrow/hermaphrodite, gravid (with 8-15 eggs, pumpkin seed) IH (Fleas & louse), definitive (dogs, cats, foxes) host accidental host (humans) Hymenolepis nana • Dwarf tapeworm • Smallest tapeworm infecting humans • May or may not require IH (can complete 1 life cycle in a single host) • • • • • • • Ova: spherical/subspherical colorless or clay-colored with conspicuous bipolar thickenings (sunny side up) Hexacanth Delicate strobila, 4 cupshape suckers, single row of 20 to 30 Y shaped hooklet Retractable rostellum (push forward & inward, pwede ilabas) Cysticercus-larva for both diminuta & nana Direct lifecycle-no need for IH (was get from rat fleas), possible of autoinfection Indirect lifecycle-needs IH (Arthropods, fleas, Tenebrio species) 1st larva-procercoid (ingested by small freshwater fish) 2nd larva stage-plerocercoi ...
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