Anatomical hierarchy

General Anatomy > Alimentary system > Mouth > Oral cavity > Oral vestibule > Oral fissure; Oral opening



The oral vestible communicates with the surface of the body by the oral fissure (Oral opening; rima or orifice of the mouth).

This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from


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