General topics Flashcards
Lymphatic filariasis
W.bancrofit, B.malayi, B.timori
Culex and anopheles mosquito
lymph vessel fluid accumulate and block fluid/tissue
Role of wolbachia bacteria spp. in filarial worms
endosybiont
enhance microfilarial release
control molting
affects ebryogenesis
Guinea worm eradication
use of sieves (straws with metal strainer to leave out copapods)
Tick saliva
Blocks immune response (decrease platelets, coagulation, vasocontriction)
relaxes vessels
blocks histamines
releases bradykines (numbing agent)
Hard ticks
sclerotized dorsal plate
singly nymph stage
engorged feeding (long)
large clutch
out in the open
Soft tick
no dorsal plate
multiple nymph stage
short term feeding
small clutch
hide
decline in honey bees
V.destructor
spread b/w colonies
attatch to drones
workers become infected
deformed wing virus