Para2-cestodes Flashcards

1
Q

Which have armed scolex?

A

Genus Taenia, except Taenia saginata
Genus Echinococcus
Genus Dipylidium
Genus Hymenolepis

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2
Q

Which have unarmed scolex?

A

Taenia saginata
Genus Mesocestoides
Genus Moniezia
Genus Anoplocephala

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3
Q

Which have Cysticercoid?

A

Family Dilepididae
Family Anopocephalidae
Family Hymenolepididae

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4
Q

Which have Cysticercus?

A

Family Taeniidae

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5
Q

Which have Hydatid cysts?

A

Family Taeniidae

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6
Q

What are the Metacestodes of cyclophyllidea? (larval stages cystic form)

A

Cysticercoid, Cysticercus, Coenurus, Hydatid cyst

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7
Q

What is a cysticercoid?

A

Larval stage
Small vesicle with incaginated scolex and caudal appendix
Found in invertibrate I.H

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8
Q

What is a Cysticercus

A

Larval stage
Fluid-filled vesicle with single invaginated scolex
Found in invertibrate I.H

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9
Q

What is a Coenorus?

A

Larval stage
Large vesicle filled with liquid and numerous invaginated scolices
Found in vertebrate I.H

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10
Q

What is a Hydatid cyst?

A

Larval stage
Large fluid filled cyst lined with germinative epithelium with invaginated or scolices invaginated, free or in bunches
In vertebrate I.H

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11
Q

Which have ramified uterus?

A

Family Taeniidae

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12
Q

Which have sac-like uterus?

A

Echinococcus

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13
Q

Which have parauterine organ?

A

Mesocestoides

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14
Q

Which have egg capsules in gravid progottids?

A

Diphylidium caninum

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15
Q

Genus Taenia

A
Zoonotic
Single reproduction organs
Eggs with thick and striated embryophore
Armed scolex, except T.saginata
Rectangular gravid proglottids
Ramified uterus
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16
Q

Genus Echinococcus

A
Zoonotic
Single reproductive organs
Eggs with thick striated embryophore
Armed scolex, 2 rows of hooks
Strobila with only Three proglottids
Sack-like uterus
17
Q

Genus Mesocestoides

A

Single reproductive organs
Unarmed scolex
Central genital pore
Metacestodes are cysticercoid and tetrahyridium
Asexual reproduction in both adults and tetrahyidia

18
Q

Genus Dipylidium

A
In carbivores
Armed rostellum
Double reproductive organs
Egg capsules in gravis uterus, mobile
Metacestode is cysticercoid
19
Q

Genus Moniezia

A

In ruminants
Unarmed scolex
Double reproductive organs
Interproglottid gland vary between species
Irregular triangular or quadrant eggs with pyriform apparatus
Metacestode is cysticercoid

20
Q

Genus Anocephala

A

In horses
Unarmed scolex
Irregular spherical or triangular eggs with pyriform apparatus
Metacestode is cysticercoid

21
Q

Genus Cittotania

A

In lagomorphs

Rounded eggs with hexacanth embryo and pyriform apparatus

22
Q

Genus Hymenolepis

A
ZOONOTIC
Birds, rodents, humans
Armed scolex
Single reproductive organs
Eggs with large embryophore
Metacestode is cysticercoid