Superior longitudinal muscle of tongue

The superior longitudinal muscle of tongue or superior lingualis is a thin layer of oblique and longitudinal fibers immediately underlying the mucous membrane on the dorsum of the tongue.

Superior longitudinal muscle of tongue
A coronal section of tongue, showing intrinsic muscles.
Details
Origin	Close to epiglottis, from median fibrous septum
Insertion	Edges of tongue
Nerve	Hypoglossal nerve (CN XII)
Actions	Retracts tongue with inferior longitudinal muscle, making tongue short and thick
Identifiers
Latin	musculus longitudinalis superior linguae
TA98	A05.1.04.106
TA2	2122
FMA	46693
Anatomical terms of muscle [edit on Wikidata]

Structure

The superior longitudinal muscle of the tongue is one of the intrinsic muscles of the tongue.^[1] 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.

Nerve supply

The superior longitudinal muscle of the tongue is supplied by the hypoglossal nerve (CN XII).^[2]

Function

The superior longitudinal muscle of the tongue works with the other intrinsic muscles to move the tongue.^[1]