Protozoa Flashcards
True or False: Protozoa are considered prokaryotic organism.
FALSE
They are Eukaryotic organisms.
When an animal is found with a large amounts of protozoa, what is that called?
It is called an infection, becaue protozoa are endoparasites.
What is common amoung many protozoa?
Many of them are Zoonotic
Toxoplasma
Cryptosporidium
Giardia
Balantidium
Entomeoba
Leishmania
Trypanosoma
Identify this protozoa
Giardia
Name two Ciliated Protozoa
Balantidium coli.
Icthyophthirius spp.
What species are ciliated protozoa considered commensals?
Ruminants and Horses
What species is usually the source of human infection of Balantidium coli?
PIGS
Describe the life cycle of Balantidium coli:
When you do a direct smear, what are you looking for? (i.e.What is beneficial of a direct smear?)
So that you can observe the presence of Trophozoites
When would you see cysts, but not trophozoites?
When you do a Fecal Flotation
What species does ichthyophthirus like to infect?
FISH
(White spot or “Ich”)
Name the two amoeba we talked about in class
Entamoeba Hemolytica
Entamoeba invadens
Entamoeba Hemolytica is most common in what species?
Humans and non-human primates
Identify this organism? What family is it?
Entamoeba Hemolytica
20-30mcm, one small nucleus, and a centrally located endosome
True or False: Entameoba Hemolytica is a zoonotic endoparasite.
TRUE
Usually humans are the source for infection for domestic animals.
