Oral cavity

Oral cavity
Oral cavity: opening or hollow part of the mouth.
Frenulum of lip: cutaneous fold of the lips.
Tonsil (pharyngeal): lymphoid organ in the throat.
Palatopharyngeal arch: rear membrane holding the tonsil in place.
Palatoglossal arch: front membrane holding the tonsil in place.
Uvula: fleshy appendage that closes the nasal fossae during swallowing.

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EN : Oral cavity
FR : Cavité buccale
ES : Cavidad bucal


The oral cavity is covered by an upper and lower lip. The mouth starts digestion by physically chewing the food and breaking it down with saliva.