The oral cavity is bounded by the lips anteriorly; the cheeks laterally; the teeth, alveolar ridge, hard palate, and soft palate anteriorly; the teeth, alveolar ridge, floor of mouth, and tongue ...

The technical term for this sound is the voiced alveolar trill, called as such because the placement of the sound within the mouth is near the alveolar ridge – that’s the hard bit just behind ...

Previous studies have suggested that in some speakers of click languages, the alveolar ridge—the rounded bump between the upper teeth and the roof of the mouth—is small or even absent.