Lab #4 Flashcards
Who lacks an external cuticle: roundworms or flatworms
Flatworms
What is the function of tegument on parasitic flatworms
Secretory and absorptive functions
What fluke is commonly found in liver and bile duct in wild and domestic ruminants
F. Hepatica
What do DH of F. Hepatica ingest that causes disease
Metacercaria
Identify the following: found in liver and bile ducts of ruminants
F. Hepatica
What fluke infests mesenteric veins of dogs
Heterobilharzia americana
What is main reservoir host for H. Americana
Raccoons
How is H. Americana transmitted
Skin penetration
What parasite causes canine shistosomiasis
H. Americana
What is the scolex
Anchoring structure
What do proglottids contain
Sex organs and eggs
What is the most common tapeworm in dogs and cats
Dipylidium caninum
What is the intermediate host for D. Caninum
Fleas or chewing louse
What is the infective stage for Dipylidium caninum
Cysticeroid stage
__irritate Perianal region in dogs or cats with D. Caninum
Motile gravid proglottids