Geniohyoid - Podcast Version TeachMeAnatomy 0:00 / 0:00 1x 0.25x 0.5x 0.75x 1x 1.25x 1.5x 1.75x 2x The geniohyoid is a suprahyoid muscle of the neck. It is located either side of the midline of the neck, deep to the mylohyoid muscle. Attachments: Arises from the inferior mental spine of the mandible. It then travels inferiorly and posteriorly to attach to the hyoid bone. Actions: Depresses the mandible and elevates the hyoid bone. Innervation: C1 nerve roots that run within the hypoglossal nerve. Blood Supply: Sublingual branch of lingual artery. By TeachMeSeries Ltd (2025) Fig 1Lateral view of the neck with three of the suprahyoid muscles highlighted (digastric, mylohyoid and stylohyoid) By TeachMeSeries Ltd (2025) Fig 2Anterior view of the neck with the suprahyoid muscles highlighted. Pro Feature - 3D Model You've Discovered a Pro Feature Access our 3D Model Library Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Learn More Rate This Article