| geniohyoid | <anatomy, muscle> Origin, mental spine of mandible; insertion, body of hyoid bone; action, draws hyoid forward, or depresses jaw when hyoid is fixed; nerve supply, fibres from ventral primary rami of first and second cervical spinal nerves accompanying hypoglossal. Synonym: musculus geniohyoideus, geniohyoid, geniohyoideus. Origin: Gr. The chin + E. Hyoid. (05 Mar 2000) |
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