Exercise 9: Taeniidae

Question 1

Taenia solium
-habitat
-aka
-cyst; loc.
-IH
-morph

Answer 1

-small intestine of man
-armed tapeworm/ pork tapeworm of man
-cysticercus cellulosae; striated muscles
-pig

-4 suckers
-hooks and rostellum present
-radially striated (eggs)
-gravid proglottids are longer than wide

Question 2

Taenia saginata
-habitat
-aka
-cyst; loc.
-IH
-morph

Answer 2

-small intestine of man
-beef tapeworm/ unarmed tapeworm of man
-cysticercus bovis; striated muscles
-Cattle

-smooth scolex
-absence of hooks and rostellum

Question 3

Taenia pisiformis

-habitat
-aka
-cyst; loc.
-IH
-morph

Answer 3

-cysticercus pisiformis; liver/peritoneal cavity
-rabbits/ hares

-small
-about the size of a large pea

Question 4

Taenia hydatigena

-habitat
-aka
-cyst; loc.
-IH
-morph

Answer 4

-cysticercus tenuicollis; liver/peritoneal cavity
-cattle/pig

-thin walled

Question 5

Taenia taeniaformis (f)

-habitat
-aka
-cyst; loc.
-IH
-morph

Answer 5

-cysticercus (strobilacercus) fascioliaris; liver
-rodents (mice/rat)

-evagination of scolex
-connected to small vesicle by segmented strobila

Question 6

Echinococcus granulosa

-habitat
-aka
-cyst; loc.
-IH
-morph

Answer 6

-hyatid cyst; liver and lungs
-mammals (man)

-thick wall
-small size
-very few segments