Inferior longitudinal muscle of tongue
| Inferior longitudinal muscle of tongue | |
|---|---|
Coronal section of tongue, showing intrinsic muscles. | |
The mouth cavity. (Longitudinalis inferior labeled at bottom left.) | |
| Details | |
| Origin | Root of tongue |
| Insertion | Apex of tongue |
| Nerve | Hypoglossal nerve (CN XII) |
| Actions | Retracts tongue with superior longitudinal muscle, making tongue short and thick |
| Identifiers | |
| Latin | musculus longitudinalis inferior linguae |
| TA98 | A05.1.04.107 |
| TA2 | 2123 |
| FMA | 46694 |
| Anatomical terms of muscle | |
The inferior longitudinal muscle of tongue is an intrinsic muscle of the tongue. It is situated on the under surface of the tongue between the genioglossus and hyoglossus. It is innervated by the hypoglossal nerve (cranial nerve XII). Its contraction shortens and thickens the tongue.