Hymenolepsis diminuta (Hymenolepsis spp.) Flashcards
1
Q
Common Name of Hymenolepsis diminuta
A
Rat Tapeworm
2
Q
Habitat
A
Small Intestine
3
Q
Intermediate Host
A
Arthropods (Grain Beetle, flea, cockroach, mealworms, earwigs, myriapods, lepidopterans)
4
Q
Final Host
A
Rat
Man (Accidental host)
5
Q
Larval stage
A
Cysticercoid larva
6
Q
Infective Stage
A
Cysticercoid larva
7
Q
Mode of Transmission
A
Ingestion of Cysticercoid larva
8
Q
Scolex (Adult)
A
With 4 cup like suckers
With unarmed rostellum
9
Q
Strobila (Adult)
A
800-1000 segments/proglottids
10
Q
Gravid Proglottids (Adult)
A
Sac-like (Saccular) filled with eggs
Craspedote – slightly overlaps
11
Q
Length (Adult)
A
20-60 cm
12
Q
Hooklets (Ova)
A
3 pairs (Hexacanth embryo)
13
Q
Polar Thickening (Ova)
A
Present
14
Q
Polar Filament (Ova)
A
Absent
Intralamenal Layers – Fried egg/Sunny side up
appearance
