Pseudophyllidian Tapeworms (30) Flashcards
of dogs and cats
What are pseudophyllidean cestodes?
segmented tapeworms with specialized holdfast
What are the two genera of pseudophyllidean cestodes that are of public health significance?
diphyllobothrium
spirometra mansonoides
What is the environment for pseudophyllidian tapeworms?
aquatic
Which parasite is associated with a vitamin B12 deficiency?
diphyllobothrium latum
How many hosts does diphyllobothrium latum have? Who?
copepod
fish
Describe the eggs of diphyllobothrium latum
golden brown eggs with operculum
What is the other name for diphyllobothrium latum?
Broad Fish Tapeworm
Is diphyllobothrium latum zoonotic?
YES - increased popularity of fresh salmon, raw, and pickled fish
Which parasite is associated with marine “salt-water” fisheries?
adenocephalus pacificus
What is adenocephalus pacificus synonymous with?
diphyllobotrium pacificum
What is spirometra mansonoides?
pseudophyllidian tapeworm with aquatic lifecycle and 2 intermediate hosts
Describe the larval stage of spirometra mansonoides
multiplies asexually in 2nd intermediate host
humans serve as second IH
What eggs belong to who?
- diphyllobothrium spp.
- spirometra mansonoides
How does pseudophyllidian tapeworms have disease potential?
B12 deficiency
sparganosis (asexual replication) in human IHs
Cyclophyllidian tapeworms are with [1/2] IH, and pseudophyllidian tapeworms are with [1/2] IH
1
2
What are the characteristics of trematodes?
Who is always the IH for trematodes?
snails
What species does this egg belong to?
trematodes
What are the veterinary important trematodes?
