HEMOFLAGELLATES Flashcards
(45 cards)
Hemoflagellates
- Leishmania spp
- Trypanosoma brucei complex
- Trypanosoma cruzi
MOT and vector of Leishmania spp
MOT: skin innoculation of promastigote
Vector: sandflies (phlebotomous/lutzomyia)
infective stage of Leishmania
promastigote
MOT and vector of Trypanosoma brucei complex
MOT: skin inoculation of metacyclic/metacystic trypomastigotes
Vector: tsetse flies (Glossina spp)
composed of 2 or more organisms that share a common biology
Trypanosoma brucei complex
MOT and vector of Trypanosoma cruzi
MOT: indirect inoculation of metacyclic/ metacystic trypomastigote
Vector: feces of Kissing/ Redwiid/ Triatomine bugs
habitat of Leishmani spp
lymphoid tissues of the skin mucus, membranes, visceral organ (liver, spleen lymphq
habitat of T. brucei complex
Blood, lymph, CSF
habitat of T. cruxi
- Endothelial cells, muscles, nervous tissues (amastigotes)
- Blood, CSF (trypomastigote)
developmental stages of Hemoflagellates
PAMET
P - PROMASTIGOTE
A - AMASTIGOTE
M- METACYCLIC TRYPOMASTIGOTE
E- EPIMASTIGOTE
T- TRYPOMASTIGOTE
vector of Leishmania spp
sandfly
developmental stages of Leishmania spp
PA
- Promastigote (sandfly)
- Amastigote (man)
vector or T. brucei
Tsetse fly
developmental stages present in T. brucei
MET
- Metacyclic Trypomastigote (tsetse fly)
- Epimastigote (tsetse fly)
- Trypomastigote (man)
vector of T. cruzi
kissing, redwiid, triatomine bugs
developmental stages present in T. cruzi
AMET
- Amastigote (man)
- Metacyclic Trypomastigote (bug feces)
- Epimastigote (bug)
- Trypomastigote (man)
Skin lesions with elevated margins that leave ugly scars on healing
Cutaneous Leishmaniasis
Old World CL
Leishmania tropica, L. major
New World CL
L. mexicana
vector of L. mexicana
Lutzomyid fly
oriental sore, delhi ulcer, aleppo, jericho, baghdad bol
old world CL
Chiclero’s ulcer
New World CL
specimen diagnosis of Cutaneous Leishmaniasis
skin biopsies from margin of ulcer
Highly disfiguring, leprosy-like cutaneous lesions that spread to the mucous membranes
Muco-cutaneous Leishmaniasis