pack Flashcards
What is the course of the second part of the duodenum and what vertebral levels does it cross?
The second part of the duodenum courses vertically downward, slightly curved, at the levels of L2 and L3.
What structures are posterior to the second part of the duodenum?
The second part of the duodenum overlies the hilum of the right kidney, including its vessels and ureter.
What crosses the second part of the duodenum anteriorly?
The second part of the duodenum is crossed anteriorly, about its middle, by the attachment of the transverse mesocolon.
What anterior structures are related to the second part of the duodenum?
Anteriorly, the second part of the duodenum is related to the fundus of the gallbladder and the right lobe of the liver.
What lies medial to the second part of the duodenum?
Medial to the second part of the duodenum is the head of the pancreas.
What does the posteromedial wall of the second part of the duodenum receive?
It recives from the ampulla of vater at the major duodnal papilla
Where does the accessory pancreatic duct open if present?
At the minor duodenal papilla, located a short distance above the major duodenal papilla
How does the third part of the duodenum course?
The third part of the duodenum courses approximately horizontally to the left, crossing the midline.
What are the posterior relations of the third part of the duodenum from right to left?
The posterior relations include the right psoas muscle, right ureter, inferior vena cava, and aorta.
What crosses the third part of the duodenum anteriorly?
At about its left third, the root of the mesentery containing the superior mesenteric vessels crosses the third part of the duodenum.
