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D-xylose absorption

D-xylose absorption

this test measures the intestines ability to absorb the simple Sugar, D-xylose. This is an indicator for whether or not nutrients are being absorbed properly in the intestine. This test is often used to evaluate persistent diarrhoea, weight loss, malnutrition and cases of suspected malabsorption. Abnormal results may be seen in the following conditions: crohns disease, giardiasis, hookworm infestation, radiation enteritis, celiac sprue, viral gastroenteritis and whipples disease.


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Re: Vitamin D absorption for different skin types

This seems to be an area that is just beginning to draw research interest. Darker skin evolved in high light-exposure populations to protect deeper skin layers from UV damage, but tones lightened in pops with lower exposure, to allow enough UV to reach the D-generating skin tissues. Dark-skinned peo...

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by Darby
Tue Jul 15, 2014 7:39 pm
 
Forum: Human Biology
Topic: Vitamin D absorption for different skin types
Replies: 1
Views: 428

Vitamin D absorption for different skin types

Earlier i was reading an article and which mentioned how people with lighter skin synthesise vitamin D from the sun more easily than people with darker skin tones. I tried to look into this but i couldn't find an answer so i thought somewhere like here would be a good place to start. So my question ...

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by Piggis
Tue Jul 08, 2014 10:29 pm
 
Forum: Human Biology
Topic: Vitamin D absorption for different skin types
Replies: 1
Views: 428

Multicellular prokaryote

... and outgrowths)and because of their small size, they have a high surface area which completely outnumbers the need for endomemebrane system as the absorption and transport of food molecules and others can take place much easily than in that of the eukaryotic plasma membrane. well, what do all of ...

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by Sumanth001
Sat Nov 30, 2013 5:08 pm
 
Forum: Microbiology
Topic: Multicellular prokaryote
Replies: 26
Views: 25402

Yeast Fermenetation on Different Sugars

look up their transport (absorption) and metabolism

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by JackBean
Fri Sep 13, 2013 1:53 pm
 
Forum: Microbiology
Topic: Yeast Fermenetation on Different Sugars
Replies: 1
Views: 1112

integumentary system

can somebody mention fat-soluble vitamins in regards to absorption through skin? thank you.

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by soufieno
Thu Jul 25, 2013 2:25 pm
 
Forum: Physiology
Topic: integumentary system
Replies: 0
Views: 1344
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