Small Intestine Flashcards
How long is the jejunum and ileum?
20 feet
Are the jejunum retro or intraperitoneal?
Intraperitoneal
What attaches the small intestine to the posterior abdominal wall?
Mesentery
Where is the jejunum coiled?
upper part of the peritoneal cavity
What distinguishes the jejunum from the ileum?
Wider lumen, thicker wall, redder
How are the circular folds in the jejunum different that in the ileum?
Taller and more numerous
Where is the jejunal mesentery attached?
above and to the left of the aorta
How are the vessels of the jejunum different from the ileum?
Few arcades with few long branches in the jejunum.
Where is the ileum coiled?
Lower part of the abdominal cavity
How are the circular folds in the ileum different than in the jejunum?
Shorter and fewer
Where is the ileum mesentery attached?
below and to the right of the aorta
Where is the fat deposited in the jejunum?
At the root of the mesentery.
Where is the fat deposited in the ileum?
Deposited all throughout the mesentery
Where are Peyer’s Patches located?
along the anit-mesenteric border in the mucous membrane of the ileum
What is the blood supply for the small intestine?
Superior Mesenteric Artery via the Intestinal Branches
