Explain about peptic ulcer, Biology

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Q. Explain about Peptic Ulcer?

Peptic ulcers are one of the more serious forms of gastrointestinal disorders of the gastrointestinal tract particularly the stomach. The prevalence of ulcers has been increasing over the past few years owing to massive changes in the dietary habits and life style practices. We shall learn about these factors in detail in a short while from, low. However, let us first understand about ulcers.

The term peptic ulcer is used to describe any localized erosion or disintegration of tile mucosal lining that comes in contact with gastricjuice. Mostly, the oesophagus, stomach and duodenum lining is affected and cause stomach and duodenal ulcers (peptic ulcers). The disintegration of tissues can also result in necrosis (death of cells/ tissues). The mucosa of the stomach and the duodenum is normally protected from proteolytic action of gastric juice by the mucosal barrier.


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