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Dictionary » P » Protozoan

Protozoan

Definition

noun, plural: protozoa or protozoans

Eukaryotic organism belonging to a group characterized for being single-celled, mostly motile and heterotrophic.

adjective

Of, pertaining to, or characteristic of a protozoan.


Supplement

In a five-kingdom scheme of classifying organisms, protozoa belong to a taxonomic group within Kingdom Protista, and typically divided on the basis of their means of locomotion: Flagellates (e.g. Giardia lambdia), Amoeboids (e.g. Entamoeba histolytica), Sporozoans (e.g. Plasmodium knowlesi), Apicomplexa, Myxozoa, Microsporidia, and Ciliates (e.g. Balantidium coli).


Word origin: from Greek protohi = first and zoon = animal.

Synonym: protozoon.

See also: protista.


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Re: protozoan

Hint: If you take an antibiotic, does it kill your bodies cells too? A: Nope. Think about what kills the bacteria. Would that affect a protozoan? Antibiotic means substance that inhibits or kills microorganisms (even though lately this term is primarily used to describe anti-bacterial agents). ...

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by Cat
Thu Sep 13, 2012 2:30 am
 
Forum: Microbiology
Topic: protozoan
Replies: 6
Views: 2648

Re: protozoan

Hint: If you take an antibiotic, does it kill your bodies cells too? A: Nope. Well thats not completely accurate. Antibiotics toxicity is a big deal

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by david23
Tue Sep 11, 2012 9:49 pm
 
Forum: Microbiology
Topic: protozoan
Replies: 6
Views: 2648

Re: protozoan

Hint: If you take an antibiotic, does it kill your bodies cells too? A: Nope. Think about what kills the bacteria. Would that affect a protozoan?

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by Zin
Tue Sep 11, 2012 8:54 pm
 
Forum: Microbiology
Topic: protozoan
Replies: 6
Views: 2648

Re: Odd food poisoning-like symptoms, strange tastes

I found out that Giardia lamblia infection can cause similar symptoms as described above by various people. Giardia is an intestinal protozoan parasite that can cause various gastro-intestinal problems, one of which is described as "a foul or sulphuric-tasting belch, which has been ...

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by biohazard
Wed Feb 29, 2012 10:21 am
 
Forum: Human Biology
Topic: Odd food poisoning-like symptoms, strange tastes
Replies: 28
Views: 52371

Identification of a bacterium.

In 1985, a 0.5-mm cell was discovered in surgeonfish and named Epulopiscium fishelsoni. It was presumed to be a protozoan. In 1993, researchers determined that Epulopiscium was actually a gram-positive bacterium.Why do you suppose this organism was initially identified as a protozoan? ...

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by Layd33foxx
Tue Feb 14, 2012 4:34 am
 
Forum: Microbiology
Topic: Identification of a bacterium.
Replies: 1
Views: 1104
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