Layers of the Gut Wall Flashcards
1
Q
How many layers does the gut wall have?
A
4
2
Q
What are the layers of the gut wall?
A
mucosa
submucosa
muscularis externa
adventitia
3
Q
What does the mucosa form?
A
innermost layer
4
Q
What does the mucosa contain?
A
muscularis mucosae, thin layer of smooth muscle
5
Q
What does the submucosa form?
A
loose connective tissue
6
Q
What does the submucosa contain?
A
blood vessels and lymphatics
7
Q
What does the muscularis externa form?
A
thick layer of smooth muscle
8
Q
What does the muscularis externa contain?
A
inner circular layer
outer longitudinal layer
9
Q
What is the muscularis externa responsible for?
A
peristalsis
10
Q
What does the adventitia form?
A
connective tissue coat that covers retroperitoneal organs
