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Dictionary » A » Apicomplexan

Apicomplexan

Definition

noun, plural: apicomplexans

Any of the numerous protozoans of the group Apicomplexa, characterized by having a special organelle called apical complex, single-celled, parasitic, spore-forming and reproducing sexually and asexually in alternate generations.

adjective

Of, or pertaining to (a species of) the Apicomplexa.


Supplement

Apicomplexans are sometimes taken as synonymous with sporozoans. At other times sporozoans are regarded as only a subset of the apicomplexans.


See also: Sporozoan


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Electron Micrograph of vesicles...

... organelle entirely. I'll take your source's word for it that it's a vesicle, but it looks more like an inclusion (it looks a little bit like an apicomplexan caught at an odd angle by the section). The very dark spots are material that's absorbed a lot of the stain - this would suggest lipids ...

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by Darby
Fri May 25, 2007 5:20 pm
 
Forum: Cell Biology
Topic: Electron Micrograph of vesicles...
Replies: 5
Views: 836

The Fiber Disease

... to be closer relatives of the dinoflagellates. They are probably similar to the common ancestor of the two groups. Another similarity is that apicomplexan cells contain a single plastid, called the apicoplast, surrounded by either 3 or four membranes. Its functions are thought to include tasks ...

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by Skytroll
Tue May 02, 2006 5:06 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748982


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