Lecture 23 Flashcards
1
Q
What is the switch in epithelium from the esophageal to the gastric mucosa ?
A
Esophageal mucosa : stratified squamous epithelium.
Gastric mucosa : single layer columnar epithelium.
2
Q
What are the 3 receptors on parietal cells and what do they do ?
A
Gastrin, Histamine and Acetylcholine receptors on parietal cells can be modulated by the ANS in order to produce more acid.
3
Q
What is antiperistalsis ?
A
The mechanism triggered in order to vomit the contents of the proximal intestine.