Superfamily Filarioidea (Heartworms) Flashcards
1
Q
Dirofilaria immitis hosts
A
DOG, cat, ferret, sea lion, (man)
2
Q
D. immitis life cycle (starting at adults in heart)
A
Adults in heart -> release microfilaria into blood -> mf into mosquito (IMH) -> develop L1 to L3 (10-14d) in mosquito -> L3 transmitted by feeding mosquito -> L3 to L4 in host SQ -> juveniles go to heart -> adults in heart
3
Q
Site of infection in host
A
Heart - Right ventricle, Pulmonary artery, Posterior Vena Cava