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113lecture3506slides - Microbial Diseases of the Digestive...

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Unformatted text preview: Microbial Diseases of the Digestive System Infections of the mouth, bacterial gastroenteritis Digestive System • Gastrointestinal tract (GI) – Digestion of nutrients and transfer to bloodstream for distribution to tissues – Abundant normal microFora, especially in the large intestine – Infection may interfere with resorption of water and nutrients, leading to dehydration • Accessory organs provide digestion enzymes Dental Caries • Most common infectious disease • Bacteria, including Streptococcus mutans , produce dextran to enhance attachment to tooth surfaces • Concentration of acids produced by bacterial metabolism eventually leads to dissolution of enamel Periodontal Disease • Infammation and degeneration oF gum tissue • May involve invasion oF gums by bacteria associated with plaque accumulated in the gingival crevice Gastroenteritis • Infammation oF the gastrointestinal tract • Usually selF-limiting, but may be very serious • Major clinical concern is with...
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This note was uploaded on 11/24/2011 for the course BIO 113 taught by Professor Staff during the Fall '09 term at Rutgers.

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113lecture3506slides - Microbial Diseases of the Digestive...

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