Cestodes / Tape worms Flashcards
Regions of cestodes ??
- Head / scolex
- Neck
- Strobila
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Series of segments in the strobila is called ??
proglottides
Head bear —
- Sucker
- Hooks
Head- Hooks function ??
Organs of attachments
Adult worms location in men & animal ??
Intestinal canal
Species of cestodes ??
- Taenia solinum
- Taenia saginata
- Echinococcus granulosus
- Diphyllobothrium latum
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Definitive host of T solium & T saginata ??
Man
Definitive host of diphyllobothrium latum ???
- Man
- Cat
- Dog
- Fox
- Bear
- Whale
Intermediate host of T sag//
Cattle
Definitve host of echinococcus granulosus ??
- Dog
- Wolf
- Fox
- Jackal
Intermediate host of T s ??
Pigs
DH=man
Intermediate host of DL ??
- Fish
- Copepods
T saginata Dx ??
Proglottids in stool
P in stool Dx – T solium
Taenia saginata site ??
Intestine
Infective form egg ???
- E g
- T solium - food & water contaminated
Intermediate host of Eg ???
Sheep
Infective form Larva ???
- T Saginata
- D l
- T solium - undercookes pork
D l Dx ??
Operculate eggs in stool
D l site of affect ??
Intestine
E g site ??
- Liver
- Lung
- Brain- Hydatid cysts
Same Dx as E g is —–
T solium - Brain & eyes
E g Dx ??
- Biopsy
- Serology
- CT scan
Habitant classification of cestodes ??
Adult worms in intestine
- Pseudophyllidean cestodes
- Cyclophyllidean cestodes
Pseudophyllidean cestodes example ??
Diphyllobothrium latum
Cyclophyllidean example ???
- T solium
- T saginata
- Hymenolepis nana
- Hymenolepis diminuta
- Diphylidium canium
Pseudophyllidean cestodes why b???
False or slit like grooves - Bothria
Cyclophyllidean cestodes ??
Acetabula present
Hymenolepic species of cyclophyllidean cestode ??
- H nana
- H deminuta
Larval stage in man ?? cyclophyllidean cestodes exsample ???
- E g
- T solium’
- M multiceps
Pork tapeworm >?
T solium
Dog TW ??
E g
Beef tape worm ??
T saginata
Fish TW ??
D l
Dwarf TW ??
Hymenolepic nana