Four Layers of the GI Tract
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Mucosa
Mucous membrane layer Lines the digestive tract
Four Layers of the GI Tract
Serosa Muscularis Submucosa Mucosa
Muscularis
Two layers of smooth muscle Responsible for motility of the digestive tract
Serosa
Connective tissue OUTER covering Protects and anchors the digestive tract
Submucosa
Connective tissue layer Contains blood vessels, lymph vessels, and nerves
