Oral vestibule

Definition

noun

The outermost portion forming an entrance into the alimentary canal, bounded by lips and cheeks, and serves to receive food and initiate (mechanical) digestion.


Supplement

Word origin: Late Latin ōrālis, from Latin ōs, ōr-, mouth + Latin vestibulum, forecourt, entrance.

Synonym: vestibulum oris, vestibule of mouth.

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