Dictionary » F » Fiber



noun, plural: fibers

(1) (anatomy) any elongated, thread-like structure, e.g. nerve fiber

(2) (botany) A cell that is narrow, elongated, and thick-walled, and one of the components of sclerenchyma tissue

(3) (nutrition) Dietary fiber; roughage; a substance in plant foods that is either soluble or insoluble

(4) (general) Any long strand of material


In nutrition, a dietary fiber may be soluble or insoluble. A soluble fiber is one that is commonly found in fruits and beans and water soluble. An insoluble fiber is one that is found in whole-grain products and vegetables. It is indigestible and therefore passes directly through the digestive system. The soluble dietary fiber is essential in improving glucose metabolism whereas the insoluble fiber helps in dealing with constipation.

Word origin: Latin fibra (filament, entrails)


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Results from our forum

Stomach bloating and weight gain

Common causes of bloating related to foods include eating a lot of foods high in fiber, irritable bowel syndrome, lactose intolerance, fructose malabsorption and intestinal parasites.

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by boron
Sat Sep 06, 2014 2:06 pm
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 453
Views: 2911229

Re: Sound and how the brain reacts to it

... focused on the amplitude response, the team recorded the phase of spontaneous oscillations as the bundles were stimulated with a vibrating glass fiber. High-speed camera data showed the degree to which the bundles synchronized with the stimulating signal. For relatively strong stimulations, fiber ...

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by GremlinGnome422
Mon Jul 01, 2013 7:25 pm
Forum: Human Biology
Topic: Sound and how the brain reacts to it
Replies: 89
Views: 175718

Muscle Fiber Types are FICTIONAL, or is it not?

Hi everyone, Can difference in muscle fiber types be actually physically seen if muscle being cut and put under microscope? Muscle fibers will not look the same for sure (size, color, etc), because of their different capacity of motor neurons, ...

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by GPiklaov
Thu May 16, 2013 2:31 pm
Forum: Human Biology
Topic: Muscle Fiber Types are FICTIONAL, or is it not?
Replies: 0
Views: 2753


... cancer). Wait wait wait wait wait wait wait wait... Red meat has a higher correlation with cancer than fish or poultry. Neither of those contain fiber either. You could argue that red meat is more filling, so a person eating red meat is less likely to eat any fiber afterward. However, I don't ...

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by wildfunguy
Wed Oct 31, 2012 7:37 pm
Forum: Evolution
Topic: Things that cause cancer (in modern humans who live longer)
Replies: 4
Views: 5275

fiber/hair moving thru water

Hair disorders result in the production of defective hair fibers. These disorders damage the outer cuticle layer and may expose the inner cortex to various hair treatments like curling, relaxing, pressing or coloring. The exposure to these strong hair ...

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by ebianco
Wed Apr 11, 2012 3:03 am
Forum: General Discussion
Topic: fiber/hair moving thru water
Replies: 17
Views: 18386
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