L22. Digestion and Absorption Flashcards
1
Q
Give the 3 names for the sections of the colon.
A
Ascending colon (RHS) Transverse colon (Top) Descending colon (LHS)
2
Q
Give the 4 layers of the GI tract.
A
Muscose Submucose Muscularis Externa Serosa (MSMES)
3
Q
Describe how pepsin is formed.
A
Pepsinogen is activated by HCl to create pepsin.
4
Q
There are 2 types of cells in the pancreas. What are they?
A
Endocrine
Exocrine
5
Q
What feature do endocrine cells have?
A
Islets of langerhans
6
Q
What feature do exocrine cells have
A
Ducts
7
Q
What does the liver secrete? What is this?
A
Bile - emulsified fat
8
Q
What do micelles allow? Why?
A
Micelles allow fats to become soluble, with a hydrophilic head and a hydrophobic tail.
9
Q
Does the large intestine have villi?
A
No, it has goblet cells.
