Lecture21: Intestinal Secretions Flashcards
1
Q
Where are Brunner’s glands present and what do they secrete?
A
First few cm of duodenum, they secrete thick mucus
2
Q
Why do Brunner’s Glands secrete thick mucus?
A
To protect from acidic chyme
3
Q
How are Brunner’s glands inhibited?
A
Sympathetic stimulation
4
Q
What stimulates mucus producing goblet cells?
A
Submucosal nerve plexus
5
Q
What are the digestive juice secreting intestinal glands called?
A
Crypts of Lieberkuhn
6
Q
How much digestive juice is secreted daily?
A
A Litre
7
Q
What is the main point of intestinal digestion?
A
The Brush Border
8
Q
Name a digestive enzyme at the Brush Border?
A
Disaccharidases
9
Q
Name an enzyme used in Cytoplasmic Digestion?
A
Peptidases
