L9: Liver and Pancreas Flashcards
1
Q
What is the sphincter of Oddi?
A
Relaxes in response to CCK allowing the secretions from the common duct to enter the duodenum and mix with the food
2
Q
What is the Ampulla of Vater?
A
Prominence where the common duct enters the duodenum
3
Q
What is CCK?
What are the functions of it?
A
33aa (Last 5 are identical to gastrin) CCK-A receptors are better for CCk and CCK-B receptors are better for gastrin Functions: 1. stimulates pancreatic secretions 2. Stimulates the gall bladder to empty
4
Q
What is Secretin?
What are the functions of it?
A
27 aa peptide hormone
Functions:
1. Stimulates bicarbonate secretion
2. Inhibits gastric acid production
5
Q
Define amphipathic.
A
All the polar groups are on one side of the chain
6
Q
Where is bile synthesised?
A
Liver
7
Q
What are pancreatic enzymes I?
A
Proteases
8
Q
What are the pancreatic enzymes II?
A
Nucleases
Pancreatic lipases
