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by Merry Walker on September 1st, 2005
The stomach lining not only produces the acid, fluids, and other chemicals needed to break down the food you eat, it also produces special cells to protect itself from being digested. These cells only live a few days and then slough off and are replaced with new ones. If this part of the lining is damaged, the underlying tissue can indeed be damaged as the acid tries to digest it.
by Anonymous on September 7th, 2005
The stomach is made of protein. Acids which digest the protein in our diets (like hyrdochloric acid) also have the ability to digest the stomach! So, a special lining of mucous covers the stomach's walls so these gastric acids can't do much harm.
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Comments
Neat!
by Relsqui on September 1st, 2005
Right. That is essentially what an ulcer is: a bacterial infection which compromises that protective layer.
by jalex137 on September 2nd, 2005