tooth - tooth & gum disease o dental caries (cavities):...

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o dental caries (cavities) : result from demineralization of enamel by bacteria in dental plaque o gingivitis accumulation o periodontitis (periodontal disease) : bacteria invade the bone surrounding a tooth, Pharynx : food passes from mouth into oropharynx & then laryngopharynx - stratified squamous mucosa surrounded by 2 skeletal muscle layers to propel food into esophagus Esophagus : food moving through laryngopharynx is routed into the esophagus as the epiglottis closes off the larynx - esophagus extends about 25 cm from pharynx to stomach; route is through thoracic into abdominal cavity - esophagus joins stomach at cardiac orifice - cardiac (gastroesophageal) sphincter : smooth muscle valve preventing backflow of food from stomach into esophagus - heartburn : symptom of gastroesophageal reflux disease (GERD); backflow of acidic
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

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tooth - tooth & gum disease o dental caries (cavities):...

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