Small intestine Flashcards
What are the 3 parts of the small intestine? (give their Latin names too)
Duodenum (L. duocecem)
Jejunum (L. jejunus)
Ileum (L. ileum)
What does the small intestine sit partially behind?
What is the name for this situation?
the peritoneum
Retroperitoneal
What is the peritoneum?
Serous membrane
What is the function of the peritoneum?
Covers and lines abdominal organs, holding everything in place
What are the 2 layers of the peritoneum?
-Mesothelium. -Connective tissue.
What is the outer layer of peritoneum attached to the abdominal wall?
Parietal peritoneum
What is the layer of peritoneum that wraps around the internal abdominal organs?
Visceral peritoneum
What is mesentery?
Double fold of peritoneum that attaches the intestines to the abdominal wall
What is omentum?
A fold of peritoneum that hangs down from the stomach to connect it to other organs
How does the omentum minimise infection?
It wraps around areas of pathology to isolate it
What is the mix of acid/food/mucus in the stomach called?
Chyme
How long is the duodenum?
12cm
What are Brunner’s Glands? Where are they found?
Glands in the duodenum. They produce alkaline secretions which neutralise HCl from the stomach.
What is another names for the common bile duct?
Sphincter of Oddi
What is the sphincter of Oddi?
A muscular valve in the duodenum that controls the flow of pancreatic juices and bile from the pancreas into the small intestine