Digestive System - Midgut Flashcards
Where does the midgut pass from and to
The distal duodenum all the way to 2/3’s along the transverse colon
What does the midgut contain
The small and large intestines
Where does the arterial supply come from
Superior mesenteric artery (L1)
Where does blood drain to
Portal vein, then enters the liver
What is the function of the peritoneum
It lines the abdominal cavity and holds organs to the body wall
What is the main function of the lesser omentum
It carries structures to/from the porta hepatis
How many sheets make up the greater (lesser) omentum
4 (2)
What does the mesentery of the small intestine carry
Blood vessels, autonomic nerves and lymphatic vessels
What are the coils of the small intestine called
Jejunum and ileum
Where does the ileum pass from and to
The jejunum to the caecum at the ilio-caecal junction
How much of the small intestine does the jejunum (ileum) make up
2/5 (3/5)
What is the caecum
First part of the large intestine
Describe what the caecum looks like
A swollen sac at the proximal end of the ascending colon; has a small outgrowth (appendix)
Where does the ascending colon lie between
The caecum and the transverse colon
Where does the ascending colon end
The hepatic flexure
