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Parasitology > Week Six: Protista > Flashcards

Week Six: Protista Flashcards

0
Q

What are protozoans?

A

Unicellular, microscopic, most are free living

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1
Q

What are the four phyla under Protista?

A

Flagellated protozoans
Ameboid protozoans
Apicomplexans
Ciliated protozoans

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2
Q

What are the two kingdoms protozoa fall under?

A

Animalia and protista

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4
Q

What are the most important phylums in veterinary parasitology?

A

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

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4
Q

Flagellates only move in..

A

Liquid/fluids

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5
Q

Mastigophora Flagellates:

Kingdom, phylum, subphylum

A

Kingdom: Protista
Phylum: Sarcomastigophora
Subphylum: Mastigophora

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6
Q

What do flagellates look like?

A

Pear/bullet shaped

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7
Q

What are some examples of flagellates?

A 
Leishmania
Trypanosoma
Trichomonas
Histomonas
Giardia spp.
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8
Q

Sarcodina Amoebae

Kingdom, phylum, superclass

A

Kingdom: Protista
Phylum: Sarcomastigophora
Superclass: sarcodina

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9
Q

How do amoebae move?

A

By their pseudopodia

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10
Q

What are the two forms of amoebae?

A

Trophozoite (mobile)

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

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12
Q

What do amoebae look like?

A

Blob like, amorphous

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12
Q

What is entamoeba coli?

A

Non pathogenic amoeba found in humans and pigs

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13
Q

What is the most important parasitic amoeba of humans?

A

Entamoeba histolytica

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14
Q

Ciliophora ciliates

Kingdom, phylum, morphology, how do they move

A

Kingdom: Protista
Phylum: ciliphora

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

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15
Q

What are the two forms of ciliphora ciliates?

A

Trophozoite (dart, twirl speedily in liquid media)

Cyst

16
Q

Apicomplexa apicomplexans

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

A

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

17
Q

What is different about apicomplexa apicomplexans?

A

Complex life cycles, no visible locomotory organelles

18
Q

What do apicomplexa look like?

A

Banana, comma, boomerang

19
Q

Toxoplasma is an example of what Protozoa?

A

Apicomplexa apicomplexans

20
Q

What are the most diverse and most complicated protozoans?

A

Apicomplexa apicomplexans

21
Q

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

A

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

22
Q

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

A

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

23
Q

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

A

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

24
Q

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

A

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

25
Q

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

A

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

26
Q

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

A

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

27
Q

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

A

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

28
Q

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

A

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

29
Q

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

A

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

30
Q

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

A

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

31
Q

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

A

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

33
Q

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

A

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

Parasitology (17 decks)

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