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A small midline opening on the lingual (internal) surface of the mandible above the pair of small bony protuberances called the genial tubercles. A single artery, the anastomoses of two branches of the lingual artery, passes into this foramen.Synonym: genial foramen
See also: foramen
lin·gual for·a·men(linggwăl fōr-āmĕn)
Small opening in the bone of mandible located at the midline on inside surface of mandible that permits passage of mandibular nerve. Radiographically, it appears as a round, radiolucent spot below the apices of the mandibular incisors.