1. Digestive System Anatomy
BIOL 204 Lab For Week 11
Digestive System Anatomy
                

2. Activity 1 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):

3.                                                             
There are structural modifications of the tunics in various areas of the GI tract

4. Another, detailed view of GI tract tunics

5. Gastroesophageal Junction
Different microscopic views

6. Histology of The Stomach Wall

7. Histology of the Small Intestine (Duodenum)
Micrograph

8. Intestinal Villus

9. Activity 2 Histology of Selected GI Tract Organs
A. The Pancreas – Gross View

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

11. The Liver
Gross View of the Liver

12. Liver – Microscopic Anatomy

13. Activity 3 Gross Anatomy of the GI Tract

14. The GI Tract:
The Mouth

16. The Esophagus

17. The Stomach

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

19. Portions of the Large Intestine

20. Extrinsic Salivary Glands

21. Types of Permanent Teeth

22. Each jaw has:
2 central incisors 2 lateral incisors canines (eyeteeth) 4 premolars molars

23. Internal Anatomy of a Tooth

24. Diaphragm
Liver – left lobe
Falciform Ligament
Liver right lobe
Stomach
Greater Omentum
Ascending Colon
Cecum
Small Intestine
Descending Colon
Sigmoid Colon

25. An Appendix, Unfixed

26. Gall Bladder on the Underside of the Liver

27. Liver – Gross View
Serosal Surface

28. Human Duodenum, Unfixed

29. Abdomen of the Cat

30. Cat Abdomen – Greater Omentum Removed

31. Gall Bladder and Lobes of the Liver
                                                                                                                                                                                                                             

32. Small and Large Intestine Removed

33. More Images

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

35.                                                
                                               
                                               
Liver 4. Ascending Colon
Stomach Pancreas
Duodenum Spleen