The below mentioned article provides a diagram of monocystis. 

Monocystis

1. It is the slide of different stages of Monocystis which is an endoparasite in the semina’ vesicles of earthworm.

2. This slide shows irophczoit, gametocyte and sporozoit stages.

3. The trophozoite is the infective stage. It has a spindle shaped body covered with uniform cilia and enclosed in a tough pellicle.

4. The cytoplasm is differentiated into cortex and medulla.

5. The medulla has a large nucleus in the center and numerous paragiycogen granules and the cortex has numerous myonemes.

6. Nutrition is saprozoic.

7. Two trophozoites become rounded and get enclosed in a common cyst. Each of them is known as gametocyte.

8. The gamtocytes are the reproductive stage.

9. Gametocytes give rise to sporozoits, which in turn develop into trophozoites.

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