Hyoglossus
| Hyoglossus | |
|---|---|
Extrinsic muscles of the tongue. Left side. (Hyoglossus visible at center.) | |
Muscles of the neck. Anterior view. Hyoglossal muscle in purple | |
| Details | |
| Origin | Hyoid |
| Insertion | Side of the tongue |
| Nerve | Hypoglossal (CN XII) |
| Actions | Depresses and retracts the tongue |
| Identifiers | |
| Latin | musculus hyoglossus |
| TA98 | A05.1.04.102 |
| TA2 | 2118 |
| FMA | 46691 |
| Anatomical terms of muscle | |
The hyoglossus is a thin and quadrilateral extrinsic muscle of the tongue. It originates from the hyoid bone; it inserts onto the side of the tongue. It is innervated by the hypoglossal nerve (cranial nerve XII). It acts to depress and retract the tongue.