CESTODES Flashcards
rounded,containstructures
for attachment known hooks, suckers or head
Scolex
connect scolex to proglottid
serves as region for growth of parasite.
neck
(body) multiple segments. Worm grows by adding proglottids from the neck
proglottids
series of proglottids.
strobila
Infection in human- usually acquired through ingestion of undercooked or raw flesh of intermediate host containing infective larvae.
cestodes (tapeworms)
- Acquired by ingestion of raw or improperly cooked
beef containing infective larva (cysticercus).
Taenia saginata (beef tapeworm)
what is the intermidiate host of taenia saginata?
cattle
DISEASE: Taeniasis (S/S) Abdominal cramps)
Taenia saginata
Prevention for beef tapeworm
Proper waste disposal. Adequate cooking of beef
pork tapeworm
taenia solium
mode of transmission of pork tapeworm?
ingestion of improperly cooked or raw pork meat
may manifest SOL (space occupying lesion in brain).
taenia solium
Prevention for pork tapeworm
Proper waste disposal, adequate cooking of pork
Treatment for the diseases of taenia saginata and solium?
praziquantel
Disseminate to eyes, brain, skeletal muscles
taenia solium
Fish tapeworm
Diphyllobothrium latum
LONGEST of all tapeworms – up to 13 meters
Diphyllobothrium latum
Copepods eaten by fresh water fish
trout
Copepods
1st intermediate host
CAUSES MEGALOSBLASTIC ANEMIA (Vit B12 def)
Diphyllobothriasis
Prevention for fish tapeworm
Proper waste disposal and
Adequate cooking of fish.
No obligatory intermediate animal host.
Hymenolepis nana (dwarf tapeworm)
Hymenolepis nana
dwarf tapeworm
(dwarf tapeworm)
Hymenolepis nana (dwarf tapeworm)
Intermediate host of hymenolepis nana
rice or flour beetles
MOT for hymenolepis nana
Ingestion of food and water contaminated by eggs of parasite.
Disease the caused by hymenolepis nana?
Hymenolepsis
Prevention for the disease hymenolepsis?
Proper disposal of waste & environmental sanitation. Rodent control
dog tapeworm
Ecchinococcus granulosus
Primarily a zoonotic
Definitive hosts: Dogs
Intermediate hosts: Sheep
Ecchinoccus granulosus
MOT for dog tapeforms
ØInfection in humans- through ingestion of food & water that is contaminated by dog feces that contains parasite
what is the disease caused by Echinococcus granulosus
hydatid cyst
Treatment for hydatid cyts?
Albendazole