Salivaria (Anterior)

Cards (12)

T. Brucei gambinese?
West africa, causes Gambian trypanosomiasis
Chronic sleeping sickness
T. brucei rhodesinse?
Found in east Africa, causes Rhodesian trypaosomiasis
Acute sleeping sickness
What happens to trypanosomes in the fly? (1)
Trypomastigotes are ingested in a blood meal then are reproduced in the mid gut
What happens to trypanosomes in the fly? (2)
They move to the salivary gland to reproduce and become epimastigotes
What happens to trypanosomes in the fly? (3)
Epimastigotes become metacystic trypomastigotes and are then injected into the vert
What happens to trypanosomes in the 'vert? (4)
They live in the blood stream as trypomastigotes and divide
What happens to trypanosomes in the fly?
The invade the CNS and cause chronic infection
What is the pathology?
Occurs rarely in the brain, causes lymph imflammation
Death occurs in a few months
T. b. gambinese occurs in the brain
What happens to the trypanosome?
antigen variations (VSG)
How is it diagnosed?
Finding the parasite within the lood
How are trypanosomes controlled?
Through vectors and reservoir hosts