Intestinal Cestodes Flashcards
What are the different Intestinal Cestodes?
Taenia saginata
Taenia solium
Hymenolepis nana
Hymenolepis diminuta
Dipylidium caninum
Diphyllobothrium latum
Raillietina garrisoni
also known as the “beef tapeworm”
Taenia saginata
Taenia saginata in distribution
Cosmopolitan
serve only as the definitive hosts and never intermediate hosts of T. saginata
Humans
T/F: Human cysticercosis in T. saginata occurs
False
What are the three morphological forms that exist in the typical cestode life cycle
Egg
Larval stage(one or more)
Adult worm
Egg of cestodes consists of a hexacanth embryo or also known as
Oncosphere
small hooks are called
Hooklets
Where does adult worm of cestodes absorb nutrients and excrete waste products through their outer surface
Tegument
What are the three distint features common to all adult tapeworm
Scolex
Proglittids
Rostellum
A defined anterior end
A. Scolex
B. Proglittid
C. Rostellum
Scolex
Individual segments that in their mature form are equipped with both male and female reproductive organs
A. Scolex
B. Proglittid
C. Rostellum
Proglottid
Referred to as the strobila
Proglottid
known as the fleshly extension of the scolex, from which one or two rows of hooklets might be present
also known as self-fertilizing ability of tapeworms
Hermaphroditic