Protozoa - Malaria, Plasmodium, Lamblia, Balantidium, Leishmania, Trypanosoma, Trichomonas, Entamoeba histolytica, Toxoplasma Flashcards
1
Q
What does the family Trypanosomatidae consist of?
A
The family Trypanosomatidae consists of many parasitic flagellate protozoans. Among them are the genera Trypanosoma and Leishmania
2
Q
Why are Trypanosoma and Leishmania called haemoflagellates?
A
Because these protozoans require hematin
obtained from blood hemoglobin for aerobic respiration.
3
Q
How is Trypanosoma cruzi found in the peripheral blood?
A
Trypanosoma cruzi is found in the peripheral blood as a 20 µm trypomastigote with a
large kinetoplast and a poorly developed undulating membrane.
4
Q
How does Trypanosoma cruzi occur in the tissues?
A
In the tissues (mainly heart,
skeletal and smooth muscle, and reticuloendothelial cells) the parasite occurs as a 3 to 5 µm
amastigote.
