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Medical Definition of Gingival mucosa
1. That portion of the oral mucous membrane that covers and is attached to the necks of the teeth and the alveolar process of the jaws; it is demarcated from lining mucosa on the facial aspect by a clearly defined line which marks the mucogingival junction, and, in contrast to the lining mucosa, is keratinised and lighter in colour; on the palatal surface, the gingiva blends imperceptibly with the palatal mucosa. (05 Mar 2000)