Origin
Cartilage of the auditory tube.
Insertion
Into the pharyngeal walls and the thyroid cartilage.
Blood supply
Ascending pharyngeal artery, ascending palatine artery.
Nerve supply
Vagus nerve.
Action
It helps to move the larynx and pharynx upwards and help in swallowing food. It also opens the auditory canal while swallowing.
Disease/Injury
NA
Muscle Exercise
NA
Interesting facts
The muscle equalizes the pressure between auditory canal and pharynx.
