The longitudinal muscular folds of inner wall of stomach are called

Papilla of vater

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Rugae

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Villi

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Fissure

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Solution

The correct option is A Rugae
Rugae is a series of ridges produced by folding of the wall of an organ. The gastric rugae (or gastric folds) in the stomach increases the surface area for more nutrient absorption. When food enters the stomach, these rugae become stretched. This allows expansion in volume of the stomach without increased pressure.
So, the correct answer is option B.

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