Digestive System

DIGESTIVE SYSTEM I The Oral Cavity Dr. capital of Minnesota W. L. Kwan Tufts University School of Medicine learnedness Objectives 1. The popular architecture of the digestive tract is that of a veritable(prenominal) hollow tube. 2. Understand the histology of each of the layers: mucosa, submucosa, muscularis externa and the serosa. 3. The of import components of the dialect ar the mucosa and the muscular core. 4. The dorsal bulge of the tongue has lingual papillae. Know which role of the papillae contains taste buds and which type does not. 5. The skeletal muscles of tongue ar arranged in lead axes. 6. Understand the discordences amongst brachydont and hypsodont teeth. 7. Know the composition of enamel, dentin, cementum and the cells that produce them. 8. The alveolar consonant pulp contains capillaries, nerves, lymphatics and undefended connective tissue. 9. Salivary glands can be of the serous, mucous or the tangled seromucous type. 10. The secreto ry portion of the salivary gland contains both secretory cells and myoepithelial cells. 11. The ducts of the salivary glands contain epithelial and myoepithelial cells. 12. Understand the composition of the secretion from the salivary glands. There is quite an a bit of differences in the digestive systems of various species. The requirements differ considerably between the herbivores, carnivores and the omnivores.

Species that are monogastric (with a single, true stomach) are quite different from the ruminants (with fermentative rumen). present we will present the general anatomy and function of the GI tract and will constitute specific important differences where applicable. B asic Functions of the digestive Tract The d! igestive tract has the following functions: ? ? ? ? ? Prehension (grasping) of food with the lips and mouth automatically skillful breaking down of the food by manducate Digestion of foodstuff by enzymatic and chemical reactions Absorption of nutrients and water Elimination of wastes Veterinary Histology 1 digestive I Failure...If you essential to get a full essay, order it on our website: OrderEssay.net

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