Rugae Are Best Described As Which Of The Following?

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Multiple Choice

Rugae Are Best Described As Which Of The Following?

Explanation:
Rugae are deep folds in the stomach wall formed by the mucosa and submucosa. They allow the stomach to expand substantially after a meal by flattening as it fills, while also increasing the surface area available for secretions. They are not finger-like projections of the small intestine (those are villi), not a muscular layer around the intestine, and not merely the inner lining by itself. So the best description is deep folds in the walls of the stomach.

Rugae are deep folds in the stomach wall formed by the mucosa and submucosa. They allow the stomach to expand substantially after a meal by flattening as it fills, while also increasing the surface area available for secretions. They are not finger-like projections of the small intestine (those are villi), not a muscular layer around the intestine, and not merely the inner lining by itself. So the best description is deep folds in the walls of the stomach.

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