Concurrent #3 Flashcards
What are the 3 groups in helminths?
Nematodes, trematodes, cestodes
What are the 5 major groups?
Trematodes, nematodes, cestodes, ectoparasites
What is trichuris vulpis?
Whipworm
What is defining about trichuris vulpis egg?
Its double plugged
What type of life cycle is trichuris vulpis?
Direct
Draw out trichuris vulpis life cycle
What is heart worm?
Dirofilaria immitis
What is the immature phase of dirofiliaria immitis?
Microfilaria
What is the life cycle of dirofilaria immitis?
Indirect
Draw out the life cycle of dirofilaria immitis
What is flea tapeworm?
Diplidium caninum
What does diplidium caninum shed?
Posterior segments in feces
What do eggs look like from diplidium caninum?
Large sacks of balls
What type of life cycle is diplidium caninum?
Indirect
What is the definitive host?
Where parasite reaches sexual maturity
What is the intermediate host?
A developmental host for the parasite but does not reach sexual maturity
What is the transport host?
Does not develop, just remains alive
What is the aberrant host?
An incorrect host, usually dead end for host
What is the intermediate host for diplidium caninum?
Flea
What is the intermediate host for Dirofilaria immitus?
Mosquito
What is roundworm?
Toxocara canis
What is the transport host for toxocara canis?
Mouse/rat
Draw out the life cycle
What is the pre-patent period?
Time between when a host takes up parasites and offspring are released