Lecture 20; Pancreas, spleen and portal system Flashcards
Describe the parts of the pancreas;
Head (Uncinate process wraps behind)
Neck
Body
Tail
What does the uncinate process wrap behind?
SM vessels
What does the neck of pancreas lie ant to?
SM vessels
What does the tail of pancreas pass into?
Splenorenal lig.
Where may the accessory duct of the pancreas drain into?
Upper part of head of pancreas then into duodenum.
What sphincters are present in the pancreatic, bile and major duodenal papilla?
- Pancreatic spincter
- Bile spincter
- Spincter of oddi
What is the arterial supply of the pancreas?
Head of pancreas and ulcinate process, POST SURF.;
Common hepatic -> Gastroduodenal -> Sup. Pancreaticoduodenal art.
SMA -> Inf. pancreaticoduodenal art.
Neck, Body and tail;
- Splenic art (on top);
(Posterior surface) Great pancreatic and dorsal pancreatic
Whats the venous drainage of pancreas?
SMV or splenic vein
What are the ligaments of the spleen and what vessels are found in them?
Gastrosplenic ligament; Short gastric and left gastro-omental vessels
Splenorenal ligament; Splenic vessels and tail of pancreas.
Whats found ant. to spleen?
Tail of pancreas
Splenic flecture
Somtach
Whats found post to spleen?
L. kidney
Ribs 9-11
What are the three areas of the spleen?
Gastric
Colic
Renal
Normal spleen length?
~13cm
What are the main portal-systemic shunts?
Bottom 1/3 of oesophagus
Around umbilicus
Rectum/anus
What can portal systemic shunting result in in the oesophgus?
Oesophageal varices
