1. BIOL 204 Lab 11 Digestive System Anatomy

2. Gross Anatomy of the GI Tract

6. The GI Tract: Mouth

7. Types of Permanent Teeth Each jaw has: 2 central incisors 2 lateral incisors 2 canines (eyeteeth) 4 premolars 6 molars

8. Internal Anatomy of a Tooth

10. Extrinsic Salivary Glands

12. The Stomach

13. Small Intestine Gross Anatomy

14. The Duodenum of the Small Intestine Receives the Ducts of the Liver, Gall Bladder and Pancreas

15. The Liver Gross View of the Liver

16. Liver – Gross View Serosal Surface

17. Gall Bladder on the Underside of the Liver

18. Pancreas Gross Anatomy

19. Human Duodenum, Unfixed

20. Portions of the Large Intestine

21. Mesenteries of the abdominal digestive organs.

22. 1.Diaphragm 2.Liver – left lobe 3.Falciform Ligament 4.Liver right lobe 5.Stomach 6.Greater Omentum 7.Ascending Colon 8.Cecum 9.Small Intestine 10.Descending Colon 11.Sigmoid Colon

23. An Appendix, Unfixed

24. Microscopic Anatomy of the GI Tract The GI tract consists of a tube that extends from the mouth to the anus. It has four tissue layers (tunics):

25. Another, detailed view of GI tract tunics

26. There are structural modifications of the tunics in various areas of the GI tract

27. The Esophagus

28. Gastroesophageal Junction Gastric pit

29. Microscopic anatomy of the stomach.

30. Histology of the Small Intestine (Duodenum)

31. Intestinal Villus

32. Liver Microscopic Anatomy

33. Microscopic View of the Pancreas: Islet Cells: endocrine; secrete insulin and glucagon Acinar Cells: exocrine; secrete digestive enzymes

34. 1. Parotid gland 2. Sublingual gland 3. Submandibula r gland 4. Esophagus 5. Tongue 6. Masseter muscle 7. Larynx 8. Trachea 1.Parotid Gland 2.Sublingual Gland 3.Submandibular Gland 4.Esophagus 5.Tongue 6.Masseter Muscle 7.Larynx 8.Trachea Cat Dissection

35. 1.Diaphragm7.Right Medial Lobe of Liver 2.Round Ligament8.Right Lateral Lobe of Liver 3.Falciform Ligament9.Gall Bladder 4.Left Lateral Lobe of Liver10.Spleen 5.Left Medial Lobe of Liver11.Greater Omentum 6.Quadrate Lobe of Liver Cat Dissection Abdomen

36. Cat Abdomen – Greater Omentum Removed 1.Cardiac Stomach8.Ascending Colon 2.Fundic Stomach9.Ileum 3.Stomach Body10.Jejunum 4.Pyloric Stomach11.Sigmoid Colon 5.Lesser Omentum12.Spleen 6.Duodenum13.Gastrospleenic Ligament 7.Pancreas (Ventral)14.Bladder

37. Small and Large Intestine Removed

38. 1.Small Intestine6.Transverse Colon 2.THE Mesentary7.Descending Colon 3.Ileum8.Sigmoid Colon 4.Cecum9.Mesocolon 5.Ascending Colon10.Greater Omentum

39. Gall Bladder and Lobes of the Liver