Introduction to upper GI tract Flashcards
Where is upper GI bleeding
Above duodenojejunal junction
lower GI is below that
Diagnostically where is the upper GI tract
Oesophagus, stomach, duodenum
Diagnostically where is the lower GI tract
Jejunum, ileum to rectum and anus
What is the blood supply to the stomach
Coeliac trunk
What veins does the stomach drain into
Splenic vein
Superior mesenteric vein
POrtal vein
Innervation of the stomach
Parasympathetic - vagus
Sympathetic- greater splanchnic nerves
What is the major duodenal papilla and what enters here
It is part of the descending duodenum where the pancreatic duct and bile duct unite to enter the duodenum
Where do the pancreatic duct and bile duct enter duodenum
Major duodenal papilla
What is the blood supply to the duodenum
Gastroduodenal
Superior and inferior pancreaticoduodenal arteries
Innervation of duodenum
Parasympathetic- vagus
sympathetic- greater and lesser splanchnic nerves
What drains jejunum and ileum
Superior mesenteric vein –> unite with splenic vein to form the portal vein
where do the lymph nodes in the ileum drain to
Superior mesenteric lymph nodes
What does the inferior mesenteric artery and main branches supply
Large intestines
