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Intestine

Definition

noun, plural: intestines

(1) The segment of the alimentary canal, starting from the pylorus of stomach to the anus

(2) The portion in the animal digestive tube where food passes through immediately after the stomach


Supplement

In humans, the intestines are divided into two segments:

The major functions of the intestines include digestion of food, absorption, and reabsorption of water and some electrolytes.


Word origin: Latin intestīna (intestines), from intestīnus (internal), from intus (within)

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cellular mechanisms that result in symptoms of cholera

... This results in constitutive cAMP production, which in turn leads to secretion of H2O, Na+, K+, Cl−, and HCO3− into the lumen of the small intestine and rapid dehydration. The gene encoding the cholera toxin is introduced into V. cholerae by horizontal gene transfer. Virulent strains of ...

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by adithya528
Tue Dec 11, 2012 1:49 pm
 
Forum: Cell Biology
Topic: cellular mechanisms that result in symptoms of cholera
Replies: 4
Views: 1064

cellular mechanisms that result in symptoms of cholera

... for the main symptom of cholera, which is secretory diarrhea. More specifically, CT is an A-B5 subunit-type exotoxin released in the small intestine, but I can't really find how specific cellular mechanisms that cause this and other symptoms (nausea, dehydration, vomiting, muscle cramps). ...

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by tesla93
Mon Nov 19, 2012 9:59 pm
 
Forum: Cell Biology
Topic: cellular mechanisms that result in symptoms of cholera
Replies: 4
Views: 1064

Re: B12 absorption/intrinsic factor

Oh since we are in the small intestine I have guess maybe enterocytes. The complexes are broken once it gets taken. From blood it goes to a lot of places, oh like your CNS first example.

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by david23
Tue Sep 11, 2012 12:45 am
 
Forum: Molecular Biology
Topic: B12 absorption/intrinsic factor
Replies: 4
Views: 2369

How is vitamin B12 absorbed by the body?

How does vitamin B12 get absorbed by the body- through the small intestine and to the bloodstream- and once it is in the blood stream, where does it go?

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by rk386
Tue Sep 04, 2012 10:31 pm
 
Forum: Human Biology
Topic: How is vitamin B12 absorbed by the body?
Replies: 0
Views: 926

B12 absorption/intrinsic factor

How does the lining of the small intestine absorb the B12/intrinsic factor complex into the bloodstream? Does the B12 separate from the intrinsic factor or are the two absorbed as a unit?

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by rk386
Tue Aug 28, 2012 10:11 pm
 
Forum: Molecular Biology
Topic: B12 absorption/intrinsic factor
Replies: 4
Views: 2369
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