1. Exercise 38 Digestive System Anatomy

2. Functions of the Digestive System Ingest food Digest food Absorb nutrients Eliminate indigestible waste

3. Digestive anatomy overview

4. Organization of the Digestive organs Alimentary Canal  Mouth  Pharynx  Esophagus  Stomach  Small intestine  Large intestine  Anus Accessory organs  Teeth  Tongue  Salivary glands  Gall bladder  Liver  Pancreas

5. The Digestive Process  Ingestion  Propulsion  Mechanical Digestion  Chemical Digestion  Absorption  Defecation

6. This is your basic alimentary tract structure.

7. The oral cavity and pharynx

8. Say “ahhh”…

9. Salivary glands

10. The Stomach

11. Gastroesophageal junction Esophagus Stomach Stratified squamous epithelium Simple columnar epithelium

12. Gastric histology

13. The peritoneum

14. Daddy, what does “retroperitoneal” mean?

15. Location of mesentary: The lesser omentum

16. Location of mesentary: The greater omentum

17. Histology of the small intestine Adaptation for absorption

18. Duodenal mucosa Duodenal glands Villi Goblet cells Crypts of Lieberkuhn!

19. Brunner’s (duodenal) glands You only find us here, In the duodenum!

20. Crypts of Lieberkuhn! Paneth cells

21. Anatomy of the large intestine

22. The Colon Look at all those goblet cells!

23. Human dental formula: Baby teeth

24. Human dental formula: Permanent teeth

25. Anatomy of a Tooth

26. Pancreas: Acinar cells

27. The Liver

28. The End