CESTODES: Pseudophyllidea spp. Flashcards
What family is associated with Order Pseudophyllidea?
Diphylobothriidiae
What is the common name for Diphylobothrium latum?
Fish or Broad Tapeworm
Who are the IH’s and FH’s of D. latum?
IH: Copepod
FH: Fish eating mammals
True or False: Elongated muscular grooves that provide attachment by pinching host tissues between them, are known as bothrium.
True
In the D. latum life cycle, what form of egg is consumed by a copepod?
Coracidium
In the D. latum life cycle, what form of larva is consumed by the fish that consumed a copepod that had ingested a coracidium?
Procercoid
The provercoid in the second intermediate host in the D. latum lifecycle, becomes a -?
Plerocercoid
What larval stage is infectious to the FH in the Diphylobothrium latum?
Plerocercoid
What is a plerocercoid also known as?
Sparganum, or spargana
Where are adult D. latum found in the FH?
Small intestine
What clinical signs are associated with FH’s?
Intestinal obstruction, gall bladder disease, anemia, abdominal discomfort, vomiting, diarrhea, though most infections are asymptomatic
What is the common name for Spirometra spp.?
Zipperworm
What disease is caused by Zipperworm in people?
Sparganosis
Who are the IH’s and FH’s of Spirometra spp.?
IH: Crustaceans, amphibians, reptiles, birds, rodents, people
FH: Dogs, lynxes, bobcats, cats, raccoons
True or False: In secondary intermediate hosts, procercoids migrate to the muscles or viscera to form plerocercoids.
True
