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a tendinous thickening of the buccopharyngeal fascia, separating and giving origin to the buccinator muscle anteriorly and the superior constrictor of the pharynx posteriorly.
a tendinous band between the pterygoid hamulus superiorly and the mandible inferiorly. It is the point of attachment for the buccinators and superior pharyngeal constrictor muscles.
A tendinous line of fusion between the buccinator and superior pharyngeal constrictor muscles that passes between the pterygoid process and the mandible, serving as an important landmark in dental anesthesia.
See also: raphe