Oral vestibule

From Biology-Online Dictionary
Jump to: navigation, search

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.