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Villi

villi

Plural of villus.


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M i c r o v i l l i Question

disarracharide enzymes (i.e. maltase and sucrase) are produced only on the villi of the small intestine... you need them to produce single sugar units - glucose, fructose - that can be taken up by diffusion/active transport into the bloodstream... no villi occurs ...

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by Revenged
Sun Jan 20, 2008 12:10 pm
 
Forum: Human Biology
Topic: M i c r o v i l l i Question
Replies: 3
Views: 2631

Electron Micrograph of vesicles...

I think it's a mast cell. The numerous granules should have been a giveaway, but I didn't realize that mast cells could have so many microvilli. The thing in the center is the nucleus, I'm pretty sure, surrounded by lots of protein/histamine-rich granules. The surface villi reminded me a lot ...

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by blcr11
Sat May 26, 2007 3:19 am
 
Forum: Cell Biology
Topic: Electron Micrograph of vesicles...
Replies: 5
Views: 4810

Question about the function of villi in small intentine

Some nuturients are actively absorbed by small intestine such as glucose and amino acid. Others are passively absorbed. What's the difference between active and passive absorption? Can anyone espouse on those two please? Thank you

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by junbumkim
Tue Apr 03, 2007 1:02 pm
 
Forum: Cell Biology
Topic: Question about the function of villi in small intentine
Replies: 1
Views: 3619

The Fiber Disease

... PC - phagocyte; Pl - plasmodium; Pr - prop; PS - plasmodium shoot; R - ribosomes; TF - transitional fibres; TZ - transitional zone; V - villus, villi; W - cyst wall. Address for correspondence: Marketta Pekkarinen, Department of Biosciences, Division of Animal Physiology, University of Helsinki, ...

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by al
Thu Jan 04, 2007 10:21 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5478927

Surface area modifications

What are some modifications that increase the surface area in anamalia? Would plicae circularis, villi, and microvilli fit into this?

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by miscassie
Thu Sep 28, 2006 6:43 pm
 
Forum: Physiology
Topic: Surface area modifications
Replies: 1
Views: 2188
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