Other cyclophyllideans Flashcards
DH of Anoplocephala and Paranoplocephala?
Equine
IH for Anoplocephala and paranoplocephala?
Oribatid (free living) mites
Where do you find adult Anoplocephala perfoliata in the DH?
In cecum, at the ileocecal junction
Where do you find adult Anoplocephala magna in the DH?
Small intestine
Where do you find adult Paranoplocephala mamillana?
Small intestine
What Equine tapeworm metacestode form is infective to the DH?
Cysticercoid
What do eggs of these genus’s contain? [Pear-shaped]
Pyriform apparatus
What does the oribatid mite need to ingest in order to become infected?
The egg containing the hexacanth embryo
Why can Anoplocephala perfoliata be so pathogenic?
With heavy infections, they cluster near the ileocecal junction and interfere with function of the valve through ulceration and inflammation
What is the DH for Moniezia?
Ruminants
What is the IH for Moniezia?
Oribatid mites
DH of Dipylidium caninum?
Dogs, cats, and humans sometimes
IH of Dipylidium caninum?
Fleas
Where do Dipylidium caninum adults reside in the DH?
Small intestines
What is unique about the rostellum of Dipylidium caninum?
It’s retractable
What do fleas ingest to become infected with Dypylidium caninum?
They ingest an egg packet
How does a DH become infected with Dipylidium caninum?
Ingesting a flea containing cysticercoids
How can humans become infected with Dipylidium caninum?
Ingestion of an infected flea that contains a cysticercoid
What is the PPP for Dipylidium caninum?
2-3 weeks
DH for Mesocestoides?
Wide variety of carnivores and omnivores (dogs and cats)
IH for Mesocestoides?
First IH = unknown
second IH = mammals, reptiles, and birds
Mesocestoides site of infection in DH?
Small intestine
Where is the location of the mesocestoides metacestode in the 2nd IH?
Peritoneal cavity
What is the DH infective stage of Mesocestoides?
Tetrathyridium
