?:definition
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The part of the tongue that is on the floor of the mouth, and is not covered by mucous membrane
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The pharyngeal part of the tongue, forming the anterior wall of the oropharynx
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The root of the tongue is the posterior third, the dorsal surface of which forms the anterior wall of the oropharynx; it rests on the floor of the mouth, and the nerves and vessels that supply the intrinsic muscles of the tongue traverse it.
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