Mylohyoid muscle
The mylohyoid muscle or diaphragma oris is a paired muscle of the neck. It runs from the mandible to the hyoid bone, forming the floor of the oral cavity of the mouth. It is named after its two attachments near the molar teeth. It forms the floor of the submental triangle. It elevates the hyoid bone and the tongue, important during swallowing and speaking.
| Mylohyoid muscle | |
|---|---|
Muscles of the neck seen from the front (mylohyoid muscle colored in bright red) | |
Surface anatomy of the neck seen from the front (mylohyoid muscle labeled at right, second from top) | |
| Details | |
| Origin | Mylohyoid line (mandible) |
| Insertion | Body of hyoid bone and median ridge |
| Artery | Mylohyoid branch of inferior alveolar artery and submental artery of facial artery |
| Nerve | Mylohyoid nerve, from inferior alveolar branch of mandibular nerve |
| Actions | Raises oral cavity floor, elevates hyoid, elevates tongue, depresses mandible |
| Identifiers | |
| Latin | musculus mylohyoideus |
| TA98 | A04.2.03.006 |
| TA2 | 2165 |
| FMA | 46320 |
| Anatomical terms of muscle | |
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