Stage of Trypanosoma present in Tse-tse fly are

Options

A. Trypanosoma and Leishmonas form
B. Leishmania, Leptomonas and Crithidia forms
C. Leptomonas and Crithidia forms
D. Trypanosoma and Leptomonas forms.

Answer

To answer the question regarding the stage of Trypanosoma present in the Tse-tse fly, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Organism**: Trypanosoma is a genus of parasitic protozoa that are known to cause diseases such as sleeping sickness in humans and Nagana in animals.

2. **Identify the Vector**: The Tse-tse fly (genus Glossina) is the vector responsible for transmitting Trypanosoma brucei, the causative agent of sleeping sickness.

3. **Life Cycle of Trypanosoma**: The life cycle of Trypanosoma involves different stages, including the bloodstream form in mammals and the procyclic form in the fly.

4. **Stages in the Tse-tse Fly**: In the Tse-tse fly, Trypanosoma undergoes several transformations:
- The **procyclic form** develops in the midgut of the fly.
- The **epimastigote form** is found in the salivary glands of the fly.
- The **metacyclic trypomastigote** is the infective stage that is transmitted to mammals when the fly feeds.

5. **Conclusion**: The stages of Trypanosoma present in the Tse-tse fly include the procyclic form, epimastigote form, and metacyclic trypomastigote.

### Final Answer:
The stages of Trypanosoma present in the Tse-tse fly are the procyclic form, epimastigote form, and metacyclic trypomastigote.

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