Pancreas Flashcards
Is the pancreas encapsulated?
NO
Where does the pancreas lie in the abdomen?
Retroperitoneal
Between the duodenal loop and the splenic hilum
What are the different parts of the pancreas?
Head, uncinate process, neck, body, and tail
What is the exocrine function of the pancreas?
Secrete trypsin, lipase and amylase
What is the endocrine function of the pancreas?
Secrete insulin via islets of Langerhans
What is the normal size of the pancreas in AP dimension?
<3 cm
What overlies the anterior border of the pancreatic body and tail?
Posterior wall of the stomach
Where is the head of the pancreas?
Anterior to the IVC and medial to the duodenum
Where is the CBD in relation to the pancreas?
Posterior and lateral to the pancreatic head
Where is the gastroduodenal artery in relation to the pancreas?
Anterior and lateral to the pancreatic head
Where is the SMA/V in relation to the pancreas?
Posterior to the neck of the pancreas and anterior to the uncinate process
Where is the pancreatic tail located?
Anterior and medial to splenic hilum
Where does the aorta lie in relation to the pancreas?
Posterior to the body of the pancreas
What does the celiac axis divide into?
Left gastric artery then divides into the common hepatic artery and splenic artery
What does the common hepatic artery divide into?
Proper hepatic and gastroduodenal arteries
Where does the proper hepatic artery travel towards?
Travels superiorly toward the liver, anterior to the portal vein, and left of the bile duct
Where does the right gastric artery come from?
Proper hepatic artery
Where does the gastroduodenal artery travel?
Posterior to the first portion of the duodenum then anterior to head of pancreas
What does the GDA divide into?
Right gastroepiploic artery
Superior pancreaticoduodenal artery
Where is the SMA located?
Inferior to pancreas
Anterior to uncinate process
Anterior to 3rd portion of the duodenum
Where is the splenic vein located?
Posterior aspect of the pancreas
What 2 veins make up the main portal vein?
Superior mesenteric vein and splenic vein
Where is the SMV located?
Right of the SMA
Anterior to the 3rd portion of the duodenum
Anterior to uncinate process
What does the IMV drain?
Left lower quadrant sigmoid and descending colon into the splenic vein
Where does the CBD travel?
Posterior to 1st portion of the duodenum and head of pancreas
Right of main pancreatic duct
Where does the ampulla of Vater open into?
2nd portion of duodenum at major papilla
Where does the accessory pancreatic duct (duct of Santorini) open into?
2nd portion of duodenum at minor papilla
How many portions does the duodenum divide into?
4
1st and 3rd - transverse
2nd and 4th - longitudinal
At what size is the pancreatic duct considered abnormal?
> 2.0 mm
What structures are in contact with the pancreatic head?
IVC CBD Ampulla of Vater Gastroduodenal artery Duodenal C loop (2nd portion)