Histological structure of the GI-tract Flashcards
1
Q
What is the serosa?layer?
A
Simple squamous epithelium and areolar connective tissue.
2
Q
What is muscularis mucosa?
A
A layer of longitudinal and circular smooth muscle. (controlled involuntary)
3
Q
What is submucosa?
A
Increased blood and lymph vessels that absorb productions of digestion.
4
Q
What is mucosa?
A
A layer of columnar epithelium which can form folds that increase the surface area.
5
Q
Extra facts?
A
Has an enteric nervous system - regulates motility and blood flow.
Has mucosa-associated lymphatic tissue.