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Other Terms: Musculus geniohyoideus, Muscle génio-hyoïdien
Latin muscle parts
Cervical wall – ventral muscle (Suprahyoid muscle)
In English this muscle’s name is the muscle of the chin and the U-shaped bone. The word geniohyoid can be divided into the Greek words genion meaning “chin” and hyoid. The term hyoid comes from its resemblance to the Greek letter upsilon (u), which is aspirated as hy. This is combined with the suffix eidos meaning “shape or form.”
Inferior mental spine on the internal surface of the anterior mandible
Anterior border of the hyoid body
Elevates the unfixed hyoid bone; when the hyoid is fixed it helps depress the mandible.
Ventral ramus via the hypoglossal nerve (C1)
The sublingual artery, a branch of the lingual artery, supplies the muscle. It also receives blood from the submental artery, a branch of the facial artery, which anastomoses within the muscle with the sublingual artery and the mylohyoid branch of the inferior alveolar artery via the first part of the maxillary artery.