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Intestinal villi

Intestinal villi

(Science: pathology) microscopic finger-like projections (0.5 to 1.5 mm in length) off of the mucosal lining of the small intestine which are responsible for absorption of nutrients.

The villi greatly increase the effective absorptive surface area of the small intestine.

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digestion in the 3 parts of the small intestine....

... bicarbonate to make an alkaline pH environment. Duodenum/Jejunum/Ileum: Intestinal juice is secreted by all three parts. It contains these enzymes: ... and lactase to digest lactose. Ileum: The walls of the ileum contain villi which absorb the end-products of digestion.

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by Navin
Fri Dec 23, 2005 6:15 am
Forum: Human Biology
Topic: digestion in the 3 parts of the small intestine....
Replies: 1
Views: 10172

peristalsis, segmentation and digestion?

hmm..no absorbtion of the food. I think that the problem is at Intestinal tenue in the part of ilium . (sorry I don't know what's the english name). Perhaps there's a problem with the villi and I can think it's related with autonom nerve specialized for digestion and ...

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by victor
Sat Jun 18, 2005 8:19 am
Forum: Human Biology
Topic: peristalsis, segmentation and digestion?
Replies: 2
Views: 6106

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