The GI tract anatomy Flashcards
What are the parts of the small intestine
duodenum, jejunum, ileum
Is the duodenum retroperitoneal or intraperitoneal
Superior = intraperitoneal
Descending, inferior, ascending = retroperitoneal
What is the opening on the duodenum called
Major duodenal papilla
What enters the major duodenal papilla
The bile duct and main pancreatic
Is the duodenum foregut or midgut
The first half of the duodenum is foregut-supplied by the coeliac trunk. The second half is midgut - supplied by the superior mesenteric artery
Are the jejunum and ileum intraperitoneal or retroperitoneal
Intraperitoneal
What are the mucosal folds on the jejunum and ileum called
plicae circularis
What are the differences between the jejunum and ileum
- Jejunum has more pronounced plicae circularis
- Ileum has Peyers patches (lymph nodules)
What does the ileum attach to
The caecum, first part of the large intestine = ileocecal junction
That are the parts of the large intestine/colon
Caecum, ascending, transverse, descending, sigmoid
CAN A TEACHER DRINK SMIRNOFF
What is the appendix attached to
the caecum
What are the teniae coli
3 bands of longitudinal muscle on the colon
What are the bulges in the small intestine called
haustra
What are epiploic appendages
fatty tags on the large intestine
What is the mesoappendix
mesentery between appendix and caecum