The Layers of the Gastrointestinal Tract Wall from the Inside

Question

The layers of the gastrointestinal tract wall from the inside layer outward in order are
A) submucosa, muscularis, mucosa, serosa.
B) serosa, submucosa, muscularis, mucosa.
C) mucosa, submucosa, muscularis, serosa.
D) muscularis, serosa, mucosa, submucosa.
E) mucosa, muscularis, serosa, submucosa.

Accepted Answer

The mucosa is the innermost layer of the gastrointestinal tract wall, followed by the submucosa, muscularis, and finally the outermost layer, the serosa.