Which of the following structures has three poorly defined layers in the muscularis externa?
A) Esophagus
B) Large intestine
C) Small intestine
D) Stomach
E) The muscularis externa of all of the above structures has three layers

Question

Quizplus · Accepted Answer

The stomach has three poorly defined layers in the muscularis externa: an inner oblique, a middle circular, and an outer longitudinal layer, which help in the mechanical digestion of food.

Which of the Following Structures Has Three Poorly Defined Layers