Anaerobic Protists Flashcards
List three examples of anaerobic protists
Trichomonas vaginalis
Giardia lamblia
Entamoeba histolytica
How many flagella does Trichomonas vaginalis have?
5
What is the axostyle?
Projection of Trichomonas vaginalis used for attachment and tissue damage
What is the hydrogenosome?
Organelle of Trichomonas vaginalis in which pyruvate and malate are converted to hydrogen and acetate for energy production.
Why are cysteine proteinases considered virulence factors in Trichomonas vaginalis?
They bind to host cell surfaces and degrade extracellular matrix proteins
In what form is Entamoeba histolytica injected and excreted?
As cysts
In which form is Entamoeba histolytica released from cysts in the small intestine?
Trophozoites
How does infection by Giardia lamblia occur?
Injection of cysts
What does Giardia lamblia used to attach to the mucosa?
Ventral sucking disk
How many nuclei does Giardia lamblia have?
Two
How many flagella does Giardia lamblia have?
Four