3. Classification , morphology , life cycle of Protozoa

Classification of Protozoa

Entamoeba histolytica

Balantidium coli

• Balantidium coli Trophozoite:  The red arrows indicate the cilia and the green arrow is pointing at the macronucleus.

Giardia lambia

Diagram of trophozoite and cyst

trophozoite  (red arrows).

Tricomonas vaginalis

Leishmania donovani

Drawing of an amastigote.

Toxoplasm gondii

A sporulated oocyst (red arrow).It takes 2 to 3 days for the oocyst (10 µm) to sporulate.

A sporulated oocyst (red arrow) and an unsporulated oocyst (blue arrow) seen at high power (40 X).

Plasmodium falciparum