Cestodes Flashcards

1
Q

Hymenolepsis nana

A

Dwarf tapeworm, egg with bipolar filaments emerging from embryo; sometimes booklets can be seen, colorless shell

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2
Q

Hyemnolepis diminuta

A

Rat tapeworm, egg without bipolar filaments; 3 pair of hooklets if seen

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3
Q

Taenia saginata

A

Beef tapeworm, egg with radial striations and 3 pairs of hooklets identical to T. solium and Echinococcus granulosus; proglottids with 15-40 lateral uterine branches; scolex had 4 suckers

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4
Q

Taenia solium

A

Pork tapeworm, egg identical to T. saginata, proglottids with 7-12 lateral uterine branches; scolex has 4 suckers plus a center crown of hooks

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5
Q

Echinococcus granulosus

A

Dog tapeworm, egg identical to T. saginata and T. solium, hydatid cyst

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6
Q

Diphylobothrium latum

A

Broadfosh tapeworm, egg with operculum and opposite small knob; double walled shelf if visible; grooves sucker on scolex; proglottids with rosette and broader vs length

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7
Q

Dipylidium caninum

A

Dog, cat, cucumber tapeworm, egg packets

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