Lecture 24 - Abdominal Cavity II

Question 1

Describe the duodenum.

L24 S17

Answer 1

• extends from pylorus to jejunum
• surrounds the head of the pancreas

Path:

• superior (L1) right of midline
• descending (L1-3)
• horizontal (L3)
• ascending (L3-L2) left of midline

Question 2

What are the major and minor duodenal papilla?

L24 S19

Answer 2

Major:

• empties hepatopancreatic ampulla (common bile duct and main pancreatic duct)
• controlled by the sphincter of Oddi

Minor:
-empties the accessory pancreatic duct

Question 3

Describe the jejunum and ileum.

L24 S21+23

Answer 3

Jejunum:

• 8 feet
• deeper red
• thicker walled
• long vasa recta

Ileum:
-12 feet