The Digestive System Flashcards
1
Q
What are the sheets of membrane called that suspend the intestines in position?
A
Mesentery
2
Q
What are the four layers of the gut wall?
A
The mucosa
The submucosa
External muscle layers
Serosa
3
Q
What are folds in the stomach lining called?
A
Rugae
4
Q
What type of epithelium are found in the stomach?
A
Simple columnar
5
Q
How does the duodenum neutralise stomach acid?
A
Contains brunners glands which secrete bicarbonate rich mucus
6
Q
What does the duodenum do?
A
Water drawn in from ECF to make hypertonic chyme isotonic
Liver releases bile-contains water, alkali and bile salts to emulsify fat
Pancreas and liver secrete alkali to neutralise acidic chyme
Pancreas liver and intestine secrete specific enzymes which act with bile to complete digestion of chyme.
