In a dental context, rugae are the ridges found on the palate (roof of the mouth) right behind the upper front teeth. To see what rugae look like, click on the RELATED LINK below.
you have to clear whether it is ruggae or rugae
Ruggae are the prominent ridges on the palate (roof of the mouth) directly behind the upper front teeth.
they are called RUGGAE. when the stomach is full, its walls are stretched. hence these folds disappear.
The ridges on the roof of your mouth help our tongues manipulate food for digesting before we swallow. They are like treads so that the food doesn't just slip down our throat or all over our mouth.They are called transverse palatine folds or friction ridges