Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
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) |
|