Bacterial Diseases of the Digestive System

Bacterial Diseases of the Digestive System - Bacterial...

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Unformatted text preview: Bacterial Diseases of the Digestive System The digestive system consists of the gastrointestinal tract, which includes the oral cavity, pharynx, esophagus, stomach, and intestines, and a number of associated structures and glands such as the teeth, salivary glands, liver, and pancreas. These organs consume food, digest it, absorb nutrients, and eliminate waste that is not absorbed. Dental caries. Dental caries , or cavities, is a universal microbiological problem. Most cases are caused by Streptococcus mutans , which adheres to the tooth enamel and produces glucans, which are a meshwork of glucose molecules. Together with bacteria and debris, glucans make up the dental plaque. The bacteria ferment carbohydrates in the diet and produce lactic acid, acetic acid, butyric acid, and other acids that damage the enamel. The susceptibility to tooth decay can be acid, butyric acid, and other acids that damage the enamel....
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This note was uploaded on 11/14/2011 for the course BIO 1421 taught by Professor Farr during the Fall '08 term at Texas State.

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