Superior longitudinal muscle of tongue

The Longitudinalis linguæ superior (Superior lingualis) is a thin stratum of oblique and longitudinal fibers immediately underlying the mucous membrane on the dorsum of the tongue.

Superior longitudinal muscle of tongue
Coronal section of tongue, showing intrinsic muscles.
Details
Origin	Close to the epiglottis, from the median fibrous septum
Insertion	Edges of the tongue
Nerve	Hypoglossal nerve
Actions	Retracts the tongue with the inferior longitudinal muscle, making the tongue short and thick
Identifiers
Latin	musculus longitudinalis superior linguae
TA98	A05.1.04.106
TA2	2122
FMA	46693
Anatomical terms of muscle

Course

It arises from the submucous fibrous layer close to the epiglottis and from the median fibrous septum, and runs forward to the edges of the tongue.

References

This article incorporates text in the public domain from page 1130 of the 20th edition of Gray's Anatomy (1918)