Objectives-2, BIO 3220, Digestive System


1. Discuss the four overall processes occurring in digestion.

2. Characterize the development of the digestive system – include parietal peritoneum, visceral peritoneum, dorsal mesentery and ventral mesentery.

3. Define peristalsis and segmentation.

4. List the four layers of a typical gut wall.

5. Discuss the anatomy and physiology of the following: Oropharyngeal cavity of Oral cavity, tongue, oral (paraoral) glands, and teeth.

6. Define the following dental terms: dentin, enamel, pulp cavity, pulp, cementum, ameloblast, odontoblast, acrodont, pleurodont, thecodont, polyphydont, diphydont, monophydont, homodont, heterodont, incisor, canine tooth, premolar and molar.

7. Examine the evolution of teeth.

8. Give the dental formula of a cow, cat and human.

9. Discuss the location and function of the pharynx and esophagus.

10. Define crop.

11. Describe the anatomy of the stomach – including pylorus, pyloric sphincter, greater curvature, lesser curvature, proventriculus, and gizzard.

12. List the four parts of the stomach for a typical ruminant.

13. Discuss the overall gastric function. Define chyme.

14. Explain the function of gastric zymogenic, parietal and goblet cells.

15. Discuss the overall function of the small intestine.

16. Identify the purpose of the typhlosole, coil, ceca, and villi.

17. List the three parts of a tetrapod small intestine.

18. Name the parts and discuss the function of the large intestine.

19. Examine the development of the liver and gall bladder.

20. Locate the falciform ligament, bile duct and lesser omentum.

21. Locate and discuss the exocrine function of the pancreas. What are acinar cells?

22. Compare the cloaca of placental versus nonplacental animals.

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