Origin
Submucosa of the tongue.
Insertion
Submucosa of the tongue.
Blood supply
Lingual artery.
Nerve supply
Hypoglossal nerve.
Action
The intrinsic muscles alter the shape of the tongue in order to carry out functions like swallowing, talking and whistling. The vertical linguae helps to flatten, lengthen and depress the tongue.
Disease/Injury
Neurological damage or diseases of the hypoglossal nerve such as pseudobulbar palsy can cause loss of movement of the tongue. Lack of use can also weaken the tongue and lose the ability to form words and guide food properly.
Muscle Exercises
NA
Interesting Facts
NA