Each of the following lists some of the tissue layers of the digestive tract. Which one has them in correct order, from lumen to external surface?
A. Serosa, lamina propria, submucosa, muscularis mucosae, muscularis externa
B. Mucosa, submucosa, muscularis mucosae, muscularis externa, lamina propria
C. Mucosa, submucosa, muscularis externa, lamina propria, serosa
D. Lamina propria, muscularis mucosae, submucosa, muscularis externa, serosa
E. Mucosa, muscularis mucosae, submucosa, muscularis externa, lamina propria
Answer: D
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