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4-18 - 4-20, 2007 - -1Serous membranes Ÿ Parietal...

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Unformatted text preview: -1Serous membranes Ÿ Parietal peritoneum Ÿ Greater omentum Ÿ Lesser omentum Ÿ Mescaline Ÿ Visceral peritoneum Ÿ 4 layers (tunics) of the GI tract Ÿ Mucosa Ÿ Absorptive & secretory Ÿ Simple Columnar epithelium (Goblet cells) Ÿ submucosa Ÿ Vascular connective tissue layer Ÿ muscular is (externa) Ÿ Smooth muscle Ÿ Circular & longitudinal Ÿ Pulverize, churn, peristalsis, & sphincters Ÿ Serosa Ÿ Connective layer Ÿ Binding & protective Ÿ Visceral peritoneum Ÿ Mouth Ÿ Oral cavity Ÿ Cheeks, lips, palate (hard & soft) Ÿ Creation of a bolus by mechanical & chemical means Ÿ Bolus: moistened mass of food Ÿ Tongue Ÿ Skeletal muscle Ÿ Mucous membrane Ÿ Anterior 2/3 in oral cavity Ÿ Posterior 1/3 in pharynx Ÿ Moves food during chewing & swallowing Ÿ Papillae: friction bumps Ÿ filliform Ÿ Touch, not taste Ÿ Fingiform Ÿ Vallate Ÿ Tongue rolling Ÿ 70% of people can roll their tongue Ÿ Believed to be hereditary Ÿ Intrinsic: change shape Ÿ Extrinsic: change position Ÿ Salivary glands Ÿ Saliva Ÿ Cleanses teeth & dissolves food Ÿ 1.0 to 1.5 Liters per day Ÿ Parotid (parotid duct or Stenson’s duct)...
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4-18 - 4-20, 2007 - -1Serous membranes Ÿ Parietal...

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