Inferior longitudinal muscle of tongue

The inferior longitudinal muscle of tongue is a narrow band situated on the under surface of the tongue between the genioglossus and hyoglossus.

Inferior longitudinal muscle of tongue
Coronal section of tongue, showing intrinsic muscles.
The mouth cavity. (Longitudinalis inferior labeled at bottom left.)
OriginRoot of the tongue
InsertionApex of the tongue
NerveHypoglossal nerve
ActionsRetracts the tongue with the superior longitudinal muscle, making the tongue short and thick
LatinMusculus longitudinalis inferior linguae
Anatomical terms of muscle


It extends from the root to the apex of the tongue: behind, some of its fibers are connected with the body of the hyoid bone; in front it blends with the fibers of the Styloglossus.

Movement of material through the GI tract is dependent upon the coordinated activity of the longitudinal and smooth muscle of the gut.

Additional images


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

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