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Question
Infective stage of Trypanosoma gambiense is
Infective stage of Trypanosoma gambiense is
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Solution
The correct option is A Metacyclic trypomastigote
Trypanosoma gambiense, the causative agents of Human African Trypanosomiasis, are transmitted by tsetse flies. Within the vector (fly), the parasite undergoes through transformations that prepare it to infect the human host. Sequentially these developmental stages are the replicative procyclic and epimastigote (crithidial) forms, as well as the non-replicative, infective, metacyclic form that develops in the vector salivary glands.Thus, the correct answer is option A.
Trypanosoma gambiense, the causative agents of Human African Trypanosomiasis, are transmitted by tsetse flies. Within the vector (fly), the parasite undergoes through transformations that prepare it to infect the human host. Sequentially these developmental stages are the replicative procyclic and epimastigote (crithidial) forms, as well as the non-replicative, infective, metacyclic form that develops in the vector salivary glands.
Thus, the correct answer is option A.
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