All of the following structures have all four tissue layers in their walls except the
A) stomach.
B) esophagus.
C) mouth.
D) sigmoid colon.

Name: All of the following structures have all four tissue layers in their walls except the A) stomach. B) esophagus. C) mouth. D) sigmoid colon.
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Question

Quizplus · Accepted Answer

The mouth does not have all four tissue layers (mucosa, submucosa, muscularis, and serosa/adventitia) that are typically found in the walls of the gastrointestinal tract organs.

All of the Following Structures Have All Four Tissue Layers