Tract

There is also some evidence that it serves as a repository for colonic symbiotic bacteria - if some nasty diarrheal disease clears out the main tract, there's a stash in the appendix from which the populations can be reconstituted. A major article came out this summer comparing structures across ...

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... after you eat a meal and you begin to digest the nutrients giving off glucose molecules that then transport thru the epithelial cells of the GI tract to the blood) it can then bind to a receptor on the islets of Langerhans located in the pancreas. This stimulates the islets to produce insulin ...

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... and will simply be expelled from the body as waste; you cannot overdose on vitamin C (though it is often acidic and may cause some sort of urinary tract infection... but not because it is a vitamin.)

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... very strong gag reflex, so the string down the esophageal may be very uncomfortable for me. The capsule would be cool as it goes thru my whole GI tract while giving data. Talking about uncomfortable, I am probably going to have to get a colonoscopy soon. Though it is going to be so cool to see ...

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Mucosal wound is something that is on a mucous membrane. These line e.g. intestinal tract, respiratory tract and female genitalia - generally surfaces that are "inside" the body, but still exposed to the outside world in a way or another. A cut to the finger ...

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