Dictionary » P » Parasite



noun, plural: parasites

An organism that obtains nourishment and shelter on another organism.


Parasites can cause harm or disease to their host. They are generally much smaller than their hosts. Examples of parasites are tapeworms, flukes, lice, ticks, etc.

Word origin: Latin parasitus from Greek parasitos (person who eats at the table of another).

Compare: parasitoid

See also: parasitism

Related terms:

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Human Collembola Infestations

... dogma" on this topic is sadly lacking or wrong. I tried everything topical remedy possible but it was clear this was a burrowing parasite, as evidenced by the small holes that appeared on welts on my skin, and i could feel intense itching that was impervious to any scratching ...

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by urthchik
Sun Oct 05, 2014 12:20 am
Forum: Human Biology
Topic: Human Collembola Infestations
Replies: 47
Views: 132341

Re: Human Collembola Infestations

... didn't quite fit. The infestation was mainly on my arms and chest, not face. I finally got a clear specimen that was DEFINITELY a collembola parasite. I showed it to a colleague who confirmed what i saw and compared it to pictures of collembola. This was clearly no delusion. It's discouraging ...

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by urthchik
Wed Sep 24, 2014 6:31 pm
Forum: Human Biology
Topic: Human Collembola Infestations
Replies: 47
Views: 132341

Re: Definition of Parasite and embryos

I think I'm going with this definition. American Heritage Dictionary Parasite 1. Biology An organism that lives and feeds on or in an organism of a different species and causes harm to its host. ( of a different species ) With emphasis. https://www.ahdictionary.com/word/search.html?q=parasite

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by Knightomite
Thu Sep 11, 2014 6:43 pm
Forum: General Discussion
Topic: Definition of Parasite and embryos
Replies: 17
Views: 13363

Re: What do you think these are, in my blood?

... your RBCs. I would like to know what the stains are and what led you to do a smear which would make this a lot easier. If it was an intracellular parasite, it would be staining well with Giemsa and we would be able to see some abnormal morphology.

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by daniel.kurz
Mon Dec 09, 2013 4:29 am
Forum: Microbiology
Topic: What do you think these are, in my blood?
Replies: 16
Views: 15876

Living or not? (viruses,viroids and prions).

... of an ancient, free-living eukaryotic cell. Various genes and structures from that organism have gradually been lost over its long history as a parasite, leaving something that propagates like a virus, but belongs to a distinct lineage from all other viruses that we're aware of. The authors ...

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by Sumanth001
Sun Dec 08, 2013 12:37 pm
Forum: Microbiology
Topic: Living or not? (viruses,viroids and prions).
Replies: 15
Views: 17999
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