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Genioglossus muscle

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Genioglossus muscle

(Science: anatomy) One of the paired lingual muscles; origin, mental spine of the mandible; insertion, lingual fascia beneath the mucous membrane and epiglottis; action, depresses and protrudes the tongue; nerve supply, hypoglossal.

Synonym: musculus genioglossus, genioglossal muscle, genioglossus, musculus geniohyoglossus.