The Digestive System: Part B - Next2Eden
The Digestive System: Part B - Next2Eden
The Digestive System: Part B - Next2Eden
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(a)<br />
Copyright © 2010 Pearson Education, Inc.<br />
Mucosa<br />
(contains a stratified<br />
squamous epithelium)<br />
Submucosa (areolar<br />
connective tissue)<br />
Lumen<br />
Muscularis externa<br />
• Longitudinal layer<br />
• Circular layer<br />
Adventitia (fibrous<br />
connective tissue) not<br />
serosa<br />
Figure 23.12a
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