Oral vestibule

Definition

The oral vestibule is the narrow space between the lips and cheeks on the outside, and the gums and teeth on the inside. It acts as an entryway to the oral cavity proper, facilitating the movement of food and air.

Related terms

Oral Cavity: The main section of the mouth located behind the oral vestibule, housing the tongue, teeth, and leading to the pharynx.

Pharynx: A muscular tube that connects the mouth with the esophagus and serves both respiratory and digestive functions by channeling air to lungs and food to stomach.

Salivary Glands: Exocrine glands located around the mouth that produce saliva to moisten food and begin digestion