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Cilium

Definition

noun, plural: cilia

(biology)

Microscopic, hair-like projection on the surfaces of some cells and of certain organisms. (botany)

Any of the hair forming a fringe along the margin or edge of a plant structure, e.g. of a leaf.

(anatomy)

The eyelash.


Supplement

Cilia are generally of two kinds: motile cilia (for [[locomotion]]) and non-motile cilia (for sensory). Example of tissue cells with cilia are the epithelia lining the lungs that sweep away fluids or particles. Examples of organisms that have cilia are protozoans that use them for movement.


Word origin: NL, pl. of cilium eyelash, L: upper eyelid.

Related phrases: immotile cilia syndrome.

Compare: flagellum.


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Motion of Olfactory Cilia?

... that falls under microvillus). A microbiology professor of mine suggested we called EK cilia and flagella "Undulipods" and use cilium for all the other uses of the word. However, though probably correct, such a distinction would be impossible to use, because the term cilium ...

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by MrMistery
Sun Jun 08, 2008 5:06 pm
 
Forum: Human Biology
Topic: Motion of Olfactory Cilia?
Replies: 7
Views: 10556

Motion of Olfactory Cilia?

... and "traditional" cilia. We are used to referring to cilia as that 9+2 microtubule structure, dinein and the works. However, the term cilium doesn't necessary mean that: almost all mammalian cells have a specialized structure called the primary cilium that is just a prominence of the ...

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by MrMistery
Wed Jun 04, 2008 4:57 pm
 
Forum: Human Biology
Topic: Motion of Olfactory Cilia?
Replies: 7
Views: 10556

few questions about cell biology!!!

In a cilium there are characteristically ___9___ peripheral doublets arranged in a ring around ___?___ single microtubules. (You are only required to enter numerals.) I believe there are 9 peripheral doublets around 2 single ...

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by kotoreru
Tue Apr 17, 2007 12:09 pm
 
Forum: Cell Biology
Topic: few questions about cell biology!!!
Replies: 6
Views: 4606

few questions about cell biology!!!

The vesicle-forming protein associated with the formation of receptor mediated endocytotic vesicles is called __clathrin?_____________. In a cilium there are characteristically ___9___ peripheral doublets arranged in a ring around ___?___ single microtubules. (You are only required to enter ...

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by blcr11
Tue Apr 17, 2007 2:25 am
 
Forum: Cell Biology
Topic: few questions about cell biology!!!
Replies: 6
Views: 4606

few questions about cell biology!!!

... thanks. The vesicle-forming protein associated with the formation of receptor mediated endocytotic vesicles is called _______________. In a cilium there are characteristically ______ peripheral doublets arranged in a ring around ______ single microtubules. (You are only required ...

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by outaouais
Mon Apr 16, 2007 9:57 pm
 
Forum: Cell Biology
Topic: few questions about cell biology!!!
Replies: 6
Views: 4606
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