Abdominal Region II PA 544 Clinical Anatomy Tony Serino, Ph.D.

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Presentation transcript:

Abdominal Region II PA 544 Clinical Anatomy Tony Serino, Ph.D. Biology Department College Misericordia

Liver

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

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

Liver Lobule

Portal Triad

Hepatic Portal System

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

Bile Duct (X-ray)

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

Bile and Pancreatic Ducts

Secretion of Bile

Micelle Formation (Emulsifying Fat)

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

Small Intestine

Small Intestine

Duodenum and Accessory Organs

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

Small Intestine Histology

Histology Changes in Intestine

Jejunum Histology

Villi Anatomy

Large Intestine (x-ray)

Large Intestine (Colon)

LI blood supply

Cecum and Appendix Diverticulum Ileocecal valve

Appendix variation

Large Intestine Histology

Rectum and Anal Canal

Defecation Reflex