mouth![click to hear](/images/speaker.jpg)
Anterior cavity of the digestive tract; it has a role in ingesting food, tasting, breathing and speaking.
lower lip ![click to hear](/images/speaker.jpg)
Movable muscular fold forming the lower contour of the mouth.
inferior dental arch ![click to hear](/images/speaker.jpg)
Arch formed by the set of teeth of the mandible.
tongue ![click to hear](/images/speaker.jpg)
Flexible muscular structure of the oral cavity; it helps in tasting, masticating and ingesting food, and also facilitates speech.
commissure of lips of mouth ![click to hear](/images/speaker.jpg)
Each of the two juncture points of the upper and lower lips.
isthmus of fauces ![click to hear](/images/speaker.jpg)
Orifice by which the mouth connects with the pharynx (meeting point of the respiratory and digestive tracts) enabling food to reach the esophagus.
superior dental arch ![click to hear](/images/speaker.jpg)
Arch formed by the set of teeth of the maxilla.
upper lip ![click to hear](/images/speaker.jpg)
Movable muscular fold forming the upper contour of the mouth; the main roles of the lips are protecting the teeth and helping in speech.
uvula ![click to hear](/images/speaker.jpg)
Fleshy movable appendage that is an extension of the posterior edge of the soft palate; it aids in ingesting food and speaking.
tonsil ![click to hear](/images/speaker.jpg)
Lymphoid structure (rich in white blood cells) involved in protecting the respiratory tract by fighting bacterial infections.
palatoglossal arch ![click to hear](/images/speaker.jpg)
Muscular lateral fold of the posterior edge of the soft palate.
soft palate ![click to hear](/images/speaker.jpg)
Muscular membranous section of the wall separating the mouth from the nasal cavity; it has a role especially in ingesting food and speaking.
hard palate ![click to hear](/images/speaker.jpg)
Bony section of the wall dividing the mouth from the nasal cavity; it is extended by the soft palate.
gum ![click to hear](/images/speaker.jpg)
Thick section of the mucous membrane of the mouth that is rich in blood vessels and nerves; it covers the edge of the dental alveolus and adheres to the neck.