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the line of flexure of the mucous membrane as it passes from the mandible or maxillae to the cheek.
Farlex Partner Medical Dictionary © Farlex 2012
Along the back wall of the mouth, the ridge of oral mucosa that runs from the maxilla (superiorly) or the mandible (inferiorly) to the cheek.
See also: fold
Medical Dictionary, © 2009 Farlex and Partners
mu·co·buc·cal fold(myūkō-bŭkăl fōld)
Line of flexure of mucous membrane as it passes from mandible or maxilla to cheek.
Medical Dictionary for the Dental Professions © Farlex 2012