1. Clinical Anatomy Tony Serino, Ph.D.
Abdominal Region II
Clinical Anatomy
Tony Serino, Ph.D.

2. Abdominal 2: Topic Objectives
Be able to describe and identify liver anatomy, histology and functions.
Be able to describe bile production, flow, storage and function.
Be able to identify hepatic portal blood flow.
Be able to identify small intestine structures and functionalities.
Be able to describe and identify large intestine structures and functionalities.
Be able to explain the defecaction reflex and its role in constipation and incontinence.

3. Liver

4. Liver (inferior surface)
(posterior margin)
(anterior margin)

5. Hepatic Segmentation
Divided by hepatic arteries, portal veins and bile ducts. Hepatic veins are intersegmetal.

6. Liver Lobule

7. Portal Triad

8. Hepatic Portal System

9. Hepatic Portal Veins Portal vein Splenic v. Superior Mesenteric v.
Inferior Mesenteric v.

10. Gall Bladder Hepatic ducts Fundus Spiral valve Body
Common hepatic duct
Cystic duct
Neck
Common bile duct

11. Bile and Pancreatic Sphincters

12. Secretion of Bile

13. Micelle Formation (Emulsifying Fat)

14. Fatty Acid Absorption
Small fatty acids go directly to blood stream; larger ones form chylomicrons from cholesterol and phospholipids

15. Small Intestine

16. Small Intestine

17. Duodenum and Accessory Organs

18. Small Intestine Structures to Increase Surface Area
Plica Circularis
Villi
Long Length of SI

19. Villi Anatomy

20. Small Intestine Histology

21. Histology Changes in Intestine

22. Jejunum Histology

23. Large Intestine (x-ray)

24. Large Intestine (Colon)

25. LI blood supply

26. Cecum and Appendix
Diverticulum
Ileocecal valve

27. Appendix variation

28. Large Intestine Histology

29. Rectum and Anal Canal

30. Defecation Reflex