Digestive System2

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Digestive System2

  1. 1. .
  2. 14. Permanent & Baby Teeth <ul><li>Baby teeth (20) by 2 years; Adult (32) between 6 and 25 </li></ul><ul><li>Occlusal surfaces and cusp numbers differ </li></ul>
  3. 20. Lingual papillae of the tongue papillae Stratified squamous epithelium Taste buds Von Ebner’s duct Von Ebner’s Gland
  4. 24. Anatomy of Esophagus
  5. 25. mucosa Muscularis mucosa Lamina propria Stratified Squamous epithelium submucosa Muscularis externa Longitudinal muscle Circular muscle
  6. 30. Peristalsis <ul><li>Gradual movement of contents towards the colon </li></ul><ul><li>Migrating motor complex controls waves of contraction </li></ul><ul><ul><li>second wave begins distal to where first wave began </li></ul></ul>
  7. 31. Segmentation in the Small Intestine <ul><li>Purpose of segmentation is to mix & churn not to move material along as in peristalsis </li></ul>
  8. 48. (Ville) simple columnar epithelium Lamina propria
  9. 52. Large intestine Goblet cells
  10. 53. Anatomy of Anal Canal <ul><li>Anal canal is 3 cm total length </li></ul><ul><li>Anal columns are longitudinal ridges separated by mucus secreting anal sinuses </li></ul><ul><li>Hemorrhoids are permanently distended veins </li></ul>
  11. 56. Hepatic Portal Circulation

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