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the cul-de-sac formed where the mucous membrane is reflected from the upper or lower jaw to the cheek.Medical dictionary. 2011.
fold — 1. A ridge or margin apparently formed by the doubling back of a lamina. SYN: plica. 2. In the embryo, a transient elevation or reduplication of tissue in the form of a lamina … Medical dictionary
mucosobuccal fold — mucobuccal f … Medical dictionary
Hyperplasia — A condition in which there is an increase in the number of normal cells in a tissue or organ. * * * An increase in number of normal cells in a tissue or organ, excluding tumor formation, whereby the bulk of the part or organ may be increased. SEE … Medical dictionary
