Cestodes and Trematodes Flashcards
Common name: flea tapeworm
Host: Dogs and Cats
Location of adult: Small intestine
Intermediate host: Flea
Dipylidium caninum
Prepatent Period:
14 – 21 days
Common name: Canine taeniid
Location of adult:
Small intestine
Intermediate host: rabbits, hares
Taenia pisiformis
Prepatent Period:
2 – 3 weeks, and up to
1 – 2 months
Common name: Feline taeniid or
Feline tapeworm
Host: Cats
Location of adult: Small intestine
Intermediate host: Rats and mice
Taenia taeniaeformis
Prepatent Period:
2 – 3 weeks, and
up to 1 – 2 months
Common Name: Coenurus-producing tapeworm
Host: Dogs
Location of adult: Small intestine
Multiceps multiceps
Multiceps serialis
Intermediate host: M. multiceps – sheep
M. serialis – rabbits
Common name:
Tetrathyridium tapeworm
Host: Dogs, Cats And other carnivores
Location of adult: Small intestine
Intermediate host:
1st: Oribatid (Moss or beetle) mite
2nd: Mouse or reptile
Mesocestoides spp.
Requires TWO intermediate hosts
Common Name:Unilocular hydatid tapeworm and Multilocular hydatid tapeworm
Location of adult:
Small intestine
Intermediate host:
- ruminants, humans
- rodents, humans
Canine: Echinococcus granulosus
Feline: Echinococcus multilocularis
ZOONOTIC
E. granulosus: Unilocular hydatid tapeworm
E. multilocularis: Multilocular hydatid tapeworm
E. granulosus – ruminants, humans
E. multilocularis – rodents, humans
Common Name:Unilocular hydatid tapeworm and Multilocular hydatid tapeworm
Location of adult:
Small intestine
Intermediate host:
- ruminants, humans
- rodents, humans
must be reported if tested positive
Canine: Echinococcus granulosus
Feline: Echinococcus multilocularis
ZOONOTIC
was the parasite in the guys brain
E. granulosus: Unilocular hydatid tapeworm
E. multilocularis: Multilocular hydatid tapeworm
E. granulosus – ruminants, humans
E. multilocularis – rodents, humans
what is the psuedotapeworm
Cotyloda
-has unarmed rostellum - no hooks
usually has two intermediate hosts
Common name: Zipper tapeworm
Sparganosis tapeworm
Host: Dogs, Cats
Location of adult:Small intestine
Intermediate host:
1st: Aquatic crustacean
2nd: Fish or frogs
Spirometra spp.
Common name: Broad fish tapeworm
Host: Dogs, Cats, Humans
Location of adult: Small intestine
Intermediate host:
1st: Aquatic crustacean
2nd: Fish
Diphyllobothrium latum
Zoonotic!!
Common name: lizard poisoning fluke
Host: Cats
Location: Bile ducts
Intermediate host: 1st: Land snail
2nd: Lizard
Platynosomum fastosum
Common name: salmon poisoning fluke
Host: Dogs/canids, numerous mammals…
Location: Small intestines
Intermediate host:
1st: Freshwater snail
2nd: Salmon
Nanophyetus salmincola
Transmission: Ingestion of infective salmon
Common name: Intestinal fluke of dogs and cats
Hosts: Dogs and Cats
Location: Small intestines
Intermediate host:
1st: snail
2nd: frog, snake, or mouse
Alaria spp.
Transmission: Ingestion of infective frog, snake or mouse
Common name: lung fluke
Hosts: Dogs and Cats
Location: lung parenchyma
Intermediate host:
1st: operculated snail
2nd: crayfish
Paragonimus kellicotti
Transmission: Ingestion of infective crayfish
Common Name: Liver fluke
Host: Cattle, sheep, goats and camelids
Location of Adult: Bile duct
Intermediate Hosts: First intermediate host, aquatic snail; second intermediate host, Aquatic/Semi-aquatic vegetation
causes liver rot
Fasciola hepatica
Zoonotic
Ova develop and Hatch in water
cow + water + grass = this thing
Common name: schistosome of the dog
Host: Dogs
Not hermaphroditic
Location: mesenteric veins of small and large intestines, portal veins
Intermediate host: freshwater snail
Heterobilharzia americana
Transmission: Cercariae penetrate skin of dog
Signs: Bloody diarrhea, emaciation, anorexia
Zoonotic
Cercaria can enter aquatic birds and other animals in the water
Swimmer’s itch (shown) in humans
What are true tapeworms
Eucestoda
Phylum: Platyhelminthes
Class: Cestoda
Do not have a mouth
