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Flashcards in Week Six: Protista Deck (33):
0

What are the four phyla under Protista?

Flagellated protozoans
Ameboid protozoans
Apicomplexans
Ciliated protozoans

1

What are protozoans?

Unicellular, microscopic, most are free living

2

What are the two kingdoms protozoa fall under?

Animalia and protista

4

What are the most important phylums in veterinary parasitology?

Sarcomastugophora (flagellates and amoebae)
Ciliophora (ciliates)
Apicomplexa (coccidia, malarial organisms, piroplasms)

4

Flagellates only move in..

Liquid/fluids

5

Mastigophora Flagellates:
Kingdom, phylum, subphylum

Kingdom: Protista
Phylum: Sarcomastigophora
Subphylum: Mastigophora

6

What do flagellates look like?

Pear/bullet shaped

7

What are some examples of flagellates?

Leishmania
Trypanosoma
Trichomonas
Histomonas
Giardia spp.

8

Sarcodina Amoebae
Kingdom, phylum, superclass

Kingdom: Protista
Phylum: Sarcomastigophora
Superclass: sarcodina

9

How do amoebae move?

By their pseudopodia

10

What are the two forms of amoebae?

Trophozoite (mobile)
Cyst (resistant, survives in adverse conditions in the external environment)

12

What do amoebae look like?

Blob like, amorphous

12

What is entamoeba coli?

Non pathogenic amoeba found in humans and pigs

13

What is the most important parasitic amoeba of humans?

Entamoeba histolytica

14

Ciliophora ciliates
Kingdom, phylum, morphology, how do they move

Kingdom: Protista
Phylum: ciliphora

Have two types of nuclei (macro and micro)
Movement through cilia

15

What are the two forms of ciliphora ciliates?

Trophozoite (dart, twirl speedily in liquid media)
Cyst

16

Apicomplexa apicomplexans
Kingdom, phylum, who do they parasitize, location in body

Kingdom: Protista
Phylum: apicomplexa
Domesticated animals
Found in intestines and blood cells

17

What is different about apicomplexa apicomplexans?

Complex life cycles, no visible locomotory organelles

18

What do apicomplexa look like?

Banana, comma, boomerang

19

Toxoplasma is an example of what Protozoa?

Apicomplexa apicomplexans

20

What are the most diverse and most complicated protozoans?

Apicomplexa apicomplexans

21

Flagellates
Parasite: Giardia spp.
Host, location, transmission route, common name

Host: dogs, cats, horses, ruminants, exotics
Location: intestinal mucosa
Transmission route: ingestion of oocysts
Common name: Giardia

22

Amoebae
Parasite: Entamoeba histolytica
Host, location, transmission route, common name

Host: dogs, cats, primates, humans
Location: large intestines
Transmission route: ingestion of cysts
Common name: entamoeba

23

Ciliates
Parasite: Balantidium coli
Host, location, transmission route, common name

Host: dogs and cats
Location: cecum and colon (large intestine of swine*)
Transmission route: ingestion of cysts
Common name: Balantidium

24

Apicomplexans
Parasite: Cystoisospora spp.
Host, location, transmission route, common name

Host: dogs, cats, and swine
Location: small intestines
TR: ingestion of oocysts
CN: Coccidia

25

Apicomplexans
Parasite: Toxoplasma Gondii
Host, location, transmission route, common name

Host: feline
Location: intestines
TR: ingestion of sporulated oocysts
CN: Toxoplasma

26

Apicomplexans
Parasite: Cryptosporidium spp
Host, location, transmission route, common name

Host: dogs, cats, sheep, swine, birds, guinea pigs, snakes, mice
Location: Small intestine
TR: ingestion of oocytes
CN: cryptosporidium

27

Apicomplexans
Parasite: Sarcocystis spp.
Host, location, transmission route, common name

Host: dogs and cats
Location: small intestine
TR: ingestion of muscles of horses, pigs, and ruminants
CN: Sarcocystis

28

Flagellates
Parasite: Leishmania spp.
Host, location, transmission route, common name

Host: dog
Location: capillaries and spleen, internal organs, WBC
TR: bite of infective intermediate host (phlebotomine sand fleas)
CN: leishmania

29

Flagellates
Parasite: Trypanosoma Cruzi
Host, location, transmission route, common name

Host: humans and dogs
Location: peripheral blood
TR: ingestion of intermediate host or feces of bug left on final host
CN: Trypanosome

30

Apicomplexans
Parasite: Cytauxzoon felis
Host, location, transmission route, common name

Host: cats
Location: RBC
TR: bite from infective intermediate host (tick)
CN: Cytauxzoon

31

Apicomplexans
Parasite: Babesia Canis
Host, location, transmission route, common name

Host: dogs
Location: RBC
TR: bite of infective intermediate host (tick)
CN: Babesia

33

Apicomplexans
Parasite: Hepatozoon Canis, americanum
Host, location, transmission route, common name

Host: dogs
Location: WBC, endothelial cells (spleen, bone marrow, liver)
TR: ingestion of infective intermediate host (tick)
CN: Hepatozoon