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22 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)
Briefly, what are protozoa?
Protozoa are microscopic, unicellular eukaryotic organisms.

Most are free-living
One-third are parasitic
4 groups of protozoa that we study
Apicomplexa (coccidia, cyst forming coccidia & coccidia related)

Flagellates

Ciliates
Amoebas
4 groups of protozoa that we study
- locomotion
Apicomplexa: internal organelles
Flagellates: flagella
Ciliates: cilia (small hair like extensions)
Amoebas: pseudopodia
Protozoa that are dikaryotic?
- what does this mean?
Ciliates are ___
- have macronucleus and miconucleus (ie 2 types of nucleus)
Size of protozoa
5-40 microns
Nutrition for protozoa
Absorption via pellicle (usually)
Protozoa that form non-motile spores
Apicomplexans (aka sporozoa)
Intracellular group of protozoa
Apicomplexans
Apicomplexa reproduction
- name 3 phases of reproduction
Schizogony ("splitting"):
- merozoite asexual

Gametogony (produce gametes)
- sexual

Sporogony (produce spores)
- asexual
Apicomplexa
- infective stage
Sporozoite
Apicomplexa
- pathogenic stage
Merozoite
Schizogony (aka ____)
- asexual replication of ____

Gametogony
- sexual replication to form ____ and ____
-> ____
-> unsporulated oocyst

Sporogony
- sporulation of oocyst to form ____ containing the ____ (infectious unit)
Schzogony (aka merogony)
- asexual replication of merozoites

Gametogony
- sexual replication to form macogametes and microgametes
-> zygote
-> unsporulated oocyst

Sporogony
- sporulation of oocyst to form sporocysts containing the sporozite (infectious unit)
Apicomplexa
- indicate different forms during the 3 different reproduction phases
Schzogony (aka merogony)
- asexual replication of merozoites

Gametogony
- sexual replication to form macogametes and microgametes
-> zygote
-> unsporulated oocyst

Sporogony
- sporulation of oocyst to form sporocysts containing the sporozite (infectious unit)
Name
Complete
This group of protozoa are ALL parasitic in vertebrate or invertebrate hosts
Apicomplexa
What are the two groups within the Apicomplexa?
Coccidia (GIT)
Coccidia - related (non-GIT)
Coccidia genera of interest (3 not cyst forming)
Eimeria
Isospora
Cryptosporidium
Cyst-forming coccidia of interest (3)
Toxoplasma
Neospora
Sarcocystis
Mnemonic for Apicomplexa

(in Yoda voice please)
Eat
I
Can't
Nasty
Toxic
Shit
Binding
Terrible
Poo


go to slide 3 for details
Coccidia
- Eimeria
- Isopora
- Crytosporidium

Cyst-forming
- Toxoplasam
- Neospora
- Sarcocystic

Corricdia related
- Babesia
- Theileria
- Plasmodium
Coccida related genera of interest (3)
Malaria parasites;

Babesia
Theilera
Plasmodium
Coccidia of importance 9
Eimeria
Isospora
Cryptosporidium
Sarcocystis
Toxoplasma
Neospora
Malarial (Babesia, Theilera, Plasmodium)