Medicogramover 7 years ago

Picture depicting a Stomach model vs the real stomach

Those the so called Rugae, are anatomical folds inside the stomach which enhances the surface area of stomach for the efficient absorption of nutrients.When food enters the stomach, these folds stretches outward. This allows the stomach to expand, therefore increasing the volume of the stomach.The most important function of rugae is "The Mechanical digestion" as a result of which the food (Bolus) is churned and broken down into small pieces by the action of enzymes.